Home / 40,805,619.20-61,066,711.20-28,051,035.20

Finding the Fourth Proportional to 40,805,619.20, 61,066,711.20 and 28,051,035.20

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Solution

The fourth proportional to 40,805,619.20, 61,066,711.20 and 28,051,035.20 is: 41,979,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,805,619.20 : 61,066,711.20 = 28,051,035.20 : x
  2. Step 2: Convert to fraction form
    40,805,619.20/61,066,711.20 = 28,051,035.20/x
  3. Step 3: Cross multiply
    40,805,619.20x = 61,066,711.20 × 28,051,035.20
  4. Step 4: Simplify right side
    40,805,619.20x = 1,712,984,465,419,434.25
  5. Step 5: Solve for x
    x = 1,712,984,465,419,434.25/40,805,619.20
  6. Step 6: Final answer
    x = 41,979,131.77

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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.