Home / 47,182,508.71-70,740,859.68-20,907,053.65

Finding the Fourth Proportional to 47,182,508.71, 70,740,859.68 and 20,907,053.65

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Solution

The fourth proportional to 47,182,508.71, 70,740,859.68 and 20,907,053.65 is: 31,346,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,182,508.71 : 70,740,859.68 = 20,907,053.65 : x
  2. Step 2: Convert to fraction form
    47,182,508.71/70,740,859.68 = 20,907,053.65/x
  3. Step 3: Cross multiply
    47,182,508.71x = 70,740,859.68 × 20,907,053.65
  4. Step 4: Simplify right side
    47,182,508.71x = 1,478,982,948,576,882
  5. Step 5: Solve for x
    x = 1,478,982,948,576,882/47,182,508.71
  6. Step 6: Final answer
    x = 31,346,000.65

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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.