Home / 21,708,010.90-32,562,016.35-13,630,107.70

Finding the Fourth Proportional to 21,708,010.90, 32,562,016.35 and 13,630,107.70

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Solution

The fourth proportional to 21,708,010.90, 32,562,016.35 and 13,630,107.70 is: 20,445,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,010.90 : 32,562,016.35 = 13,630,107.70 : x
  2. Step 2: Convert to fraction form
    21,708,010.90/32,562,016.35 = 13,630,107.70/x
  3. Step 3: Cross multiply
    21,708,010.90x = 32,562,016.35 × 13,630,107.70
  4. Step 4: Simplify right side
    21,708,010.90x = 443,823,789,779,660.88
  5. Step 5: Solve for x
    x = 443,823,789,779,660.88/21,708,010.90
  6. Step 6: Final answer
    x = 20,445,161.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.