Home / 11,918,587.76-17,878,045.67-3,398,925.14

Finding the Fourth Proportional to 11,918,587.76, 17,878,045.67 and 3,398,925.14

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Solution

The fourth proportional to 11,918,587.76, 17,878,045.67 and 3,398,925.14 is: 5,098,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,587.76 : 17,878,045.67 = 3,398,925.14 : x
  2. Step 2: Convert to fraction form
    11,918,587.76/17,878,045.67 = 3,398,925.14/x
  3. Step 3: Cross multiply
    11,918,587.76x = 17,878,045.67 × 3,398,925.14
  4. Step 4: Simplify right side
    11,918,587.76x = 60,766,138,935,023.57
  5. Step 5: Solve for x
    x = 60,766,138,935,023.57/11,918,587.76
  6. Step 6: Final answer
    x = 5,098,434.49

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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.