Home / 12,864,086.67-19,277,988.84-7,109,411.70

Finding the Fourth Proportional to 12,864,086.67, 19,277,988.84 and 7,109,411.70

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Solution

The fourth proportional to 12,864,086.67, 19,277,988.84 and 7,109,411.70 is: 10,654,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,086.67 : 19,277,988.84 = 7,109,411.70 : x
  2. Step 2: Convert to fraction form
    12,864,086.67/19,277,988.84 = 7,109,411.70/x
  3. Step 3: Cross multiply
    12,864,086.67x = 19,277,988.84 × 7,109,411.70
  4. Step 4: Simplify right side
    12,864,086.67x = 137,055,159,411,565.44
  5. Step 5: Solve for x
    x = 137,055,159,411,565.44/12,864,086.67
  6. Step 6: Final answer
    x = 10,654,091.73

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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.