Home / 42,026,688.68-63,010,263.17-18,670,603.73

Finding the Fourth Proportional to 42,026,688.68, 63,010,263.17 and 18,670,603.73

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Solution

The fourth proportional to 42,026,688.68, 63,010,263.17 and 18,670,603.73 is: 27,992,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,026,688.68 : 63,010,263.17 = 18,670,603.73 : x
  2. Step 2: Convert to fraction form
    42,026,688.68/63,010,263.17 = 18,670,603.73/x
  3. Step 3: Cross multiply
    42,026,688.68x = 63,010,263.17 × 18,670,603.73
  4. Step 4: Simplify right side
    42,026,688.68x = 1,176,439,654,301,709
  5. Step 5: Solve for x
    x = 1,176,439,654,301,709/42,026,688.68
  6. Step 6: Final answer
    x = 27,992,680.16

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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.