Home / 42,201,490.61-63,293,378.45-11,902,267.73

Finding the Fourth Proportional to 42,201,490.61, 63,293,378.45 and 11,902,267.73

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Solution

The fourth proportional to 42,201,490.61, 63,293,378.45 and 11,902,267.73 is: 17,850,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201,490.61 : 63,293,378.45 = 11,902,267.73 : x
  2. Step 2: Convert to fraction form
    42,201,490.61/63,293,378.45 = 11,902,267.73/x
  3. Step 3: Cross multiply
    42,201,490.61x = 63,293,378.45 × 11,902,267.73
  4. Step 4: Simplify right side
    42,201,490.61x = 753,334,735,607,555.75
  5. Step 5: Solve for x
    x = 753,334,735,607,555.75/42,201,490.61
  6. Step 6: Final answer
    x = 17,850,903.48

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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.