Home / 14,013,151.20-21,019,726.80-13,698,223.20

Finding the Fourth Proportional to 14,013,151.20, 21,019,726.80 and 13,698,223.20

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Solution

The fourth proportional to 14,013,151.20, 21,019,726.80 and 13,698,223.20 is: 20,547,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,151.20 : 21,019,726.80 = 13,698,223.20 : x
  2. Step 2: Convert to fraction form
    14,013,151.20/21,019,726.80 = 13,698,223.20/x
  3. Step 3: Cross multiply
    14,013,151.20x = 21,019,726.80 × 13,698,223.20
  4. Step 4: Simplify right side
    14,013,151.20x = 287,932,909,309,421.75
  5. Step 5: Solve for x
    x = 287,932,909,309,421.75/14,013,151.20
  6. Step 6: Final answer
    x = 20,547,334.80

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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.