Home / 31,767,697.62-47,671,701.12-13,572,029.88

Finding the Fourth Proportional to 31,767,697.62, 47,671,701.12 and 13,572,029.88

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Solution

The fourth proportional to 31,767,697.62, 47,671,701.12 and 13,572,029.88 is: 20,366,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767,697.62 : 47,671,701.12 = 13,572,029.88 : x
  2. Step 2: Convert to fraction form
    31,767,697.62/47,671,701.12 = 13,572,029.88/x
  3. Step 3: Cross multiply
    31,767,697.62x = 47,671,701.12 × 13,572,029.88
  4. Step 4: Simplify right side
    31,767,697.62x = 647,001,752,031,069.50
  5. Step 5: Solve for x
    x = 647,001,752,031,069.50/31,767,697.62
  6. Step 6: Final answer
    x = 20,366,655.46

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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.