Home / 39,202,779.87-54,097,614.15-21,798,751.43

Finding the Fourth Proportional to 39,202,779.87, 54,097,614.15 and 21,798,751.43

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Solution

The fourth proportional to 39,202,779.87, 54,097,614.15 and 21,798,751.43 is: 30,081,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202,779.87 : 54,097,614.15 = 21,798,751.43 : x
  2. Step 2: Convert to fraction form
    39,202,779.87/54,097,614.15 = 21,798,751.43/x
  3. Step 3: Cross multiply
    39,202,779.87x = 54,097,614.15 × 21,798,751.43
  4. Step 4: Simplify right side
    39,202,779.87x = 1,179,260,443,541,412.75
  5. Step 5: Solve for x
    x = 1,179,260,443,541,412.75/39,202,779.87
  6. Step 6: Final answer
    x = 30,081,041.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.