Home / 47,934,623.15-71,891,497.91-12,918,920.20

Finding the Fourth Proportional to 47,934,623.15, 71,891,497.91 and 12,918,920.20

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Solution

The fourth proportional to 47,934,623.15, 71,891,497.91 and 12,918,920.20 is: 19,375,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934,623.15 : 71,891,497.91 = 12,918,920.20 : x
  2. Step 2: Convert to fraction form
    47,934,623.15/71,891,497.91 = 12,918,920.20/x
  3. Step 3: Cross multiply
    47,934,623.15x = 71,891,497.91 × 12,918,920.20
  4. Step 4: Simplify right side
    47,934,623.15x = 928,760,524,843,125.62
  5. Step 5: Solve for x
    x = 928,760,524,843,125.62/47,934,623.15
  6. Step 6: Final answer
    x = 19,375,567.47

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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.