Home / 56,404,700.80-84,607,051.20-13,854,428.80

Finding the Fourth Proportional to 56,404,700.80, 84,607,051.20 and 13,854,428.80

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Solution

The fourth proportional to 56,404,700.80, 84,607,051.20 and 13,854,428.80 is: 20,781,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404,700.80 : 84,607,051.20 = 13,854,428.80 : x
  2. Step 2: Convert to fraction form
    56,404,700.80/84,607,051.20 = 13,854,428.80/x
  3. Step 3: Cross multiply
    56,404,700.80x = 84,607,051.20 × 13,854,428.80
  4. Step 4: Simplify right side
    56,404,700.80x = 1,172,182,366,828,354.75
  5. Step 5: Solve for x
    x = 1,172,182,366,828,354.75/56,404,700.80
  6. Step 6: Final answer
    x = 20,781,643.20

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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.