Home / 21,708,032.40-32,562,048.60-13,630,129.20

Finding the Fourth Proportional to 21,708,032.40, 32,562,048.60 and 13,630,129.20

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Solution

The fourth proportional to 21,708,032.40, 32,562,048.60 and 13,630,129.20 is: 20,445,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,032.40 : 32,562,048.60 = 13,630,129.20 : x
  2. Step 2: Convert to fraction form
    21,708,032.40/32,562,048.60 = 13,630,129.20/x
  3. Step 3: Cross multiply
    21,708,032.40x = 32,562,048.60 × 13,630,129.20
  4. Step 4: Simplify right side
    21,708,032.40x = 443,824,929,434,679.12
  5. Step 5: Solve for x
    x = 443,824,929,434,679.12/21,708,032.40
  6. Step 6: Final answer
    x = 20,445,193.80

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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.