Home / 42,372,609.40-63,578,461.38-19,350,601.48

Finding the Fourth Proportional to 42,372,609.40, 63,578,461.38 and 19,350,601.48

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Solution

The fourth proportional to 42,372,609.40, 63,578,461.38 and 19,350,601.48 is: 29,034,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,609.40 : 63,578,461.38 = 19,350,601.48 : x
  2. Step 2: Convert to fraction form
    42,372,609.40/63,578,461.38 = 19,350,601.48/x
  3. Step 3: Cross multiply
    42,372,609.40x = 63,578,461.38 × 19,350,601.48
  4. Step 4: Simplify right side
    42,372,609.40x = 1,230,281,468,875,951
  5. Step 5: Solve for x
    x = 1,230,281,468,875,951/42,372,609.40
  6. Step 6: Final answer
    x = 29,034,829.02

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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.