Home / 14,000,000.90-21,000,001.35-13,043,407.10

Finding the Fourth Proportional to 14,000,000.90, 21,000,001.35 and 13,043,407.10

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Solution

The fourth proportional to 14,000,000.90, 21,000,001.35 and 13,043,407.10 is: 19,565,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,000.90 : 21,000,001.35 = 13,043,407.10 : x
  2. Step 2: Convert to fraction form
    14,000,000.90/21,000,001.35 = 13,043,407.10/x
  3. Step 3: Cross multiply
    14,000,000.90x = 21,000,001.35 × 13,043,407.10
  4. Step 4: Simplify right side
    14,000,000.90x = 273,911,566,708,599.59
  5. Step 5: Solve for x
    x = 273,911,566,708,599.59/14,000,000.90
  6. Step 6: Final answer
    x = 19,565,110.65

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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.