Home / 40,884,489.36-61,354,006.16-21,206,751.83

Finding the Fourth Proportional to 40,884,489.36, 61,354,006.16 and 21,206,751.83

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Solution

The fourth proportional to 40,884,489.36, 61,354,006.16 and 21,206,751.83 is: 31,824,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884,489.36 : 61,354,006.16 = 21,206,751.83 : x
  2. Step 2: Convert to fraction form
    40,884,489.36/61,354,006.16 = 21,206,751.83/x
  3. Step 3: Cross multiply
    40,884,489.36x = 61,354,006.16 × 21,206,751.83
  4. Step 4: Simplify right side
    40,884,489.36x = 1,301,119,181,998,607.50
  5. Step 5: Solve for x
    x = 1,301,119,181,998,607.50/40,884,489.36
  6. Step 6: Final answer
    x = 31,824,273.76

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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.