Home / 37,980,459.17-52,412,827.79-21,235,195.42

Finding the Fourth Proportional to 37,980,459.17, 52,412,827.79 and 21,235,195.42

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Solution

The fourth proportional to 37,980,459.17, 52,412,827.79 and 21,235,195.42 is: 29,304,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980,459.17 : 52,412,827.79 = 21,235,195.42 : x
  2. Step 2: Convert to fraction form
    37,980,459.17/52,412,827.79 = 21,235,195.42/x
  3. Step 3: Cross multiply
    37,980,459.17x = 52,412,827.79 × 21,235,195.42
  4. Step 4: Simplify right side
    37,980,459.17x = 1,112,996,640,723,886.50
  5. Step 5: Solve for x
    x = 1,112,996,640,723,886.50/37,980,459.17
  6. Step 6: Final answer
    x = 29,304,454.58

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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.