Home / 42,098,490-63,147,737.52-10,185,786

Finding the Fourth Proportional to 42,098,490, 63,147,737.52 and 10,185,786

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Solution

The fourth proportional to 42,098,490, 63,147,737.52 and 10,185,786 is: 15,278,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098,490 : 63,147,737.52 = 10,185,786 : x
  2. Step 2: Convert to fraction form
    42,098,490/63,147,737.52 = 10,185,786/x
  3. Step 3: Cross multiply
    42,098,490x = 63,147,737.52 × 10,185,786
  4. Step 4: Simplify right side
    42,098,490x = 643,209,340,762,890.75
  5. Step 5: Solve for x
    x = 643,209,340,762,890.75/42,098,490
  6. Step 6: Final answer
    x = 15,278,679.61

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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.