Home / 31,512,000.80-47,268,001.20-15,553,575.20

Finding the Fourth Proportional to 31,512,000.80, 47,268,001.20 and 15,553,575.20

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Solution

The fourth proportional to 31,512,000.80, 47,268,001.20 and 15,553,575.20 is: 23,330,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,000.80 : 47,268,001.20 = 15,553,575.20 : x
  2. Step 2: Convert to fraction form
    31,512,000.80/47,268,001.20 = 15,553,575.20/x
  3. Step 3: Cross multiply
    31,512,000.80x = 47,268,001.20 × 15,553,575.20
  4. Step 4: Simplify right side
    31,512,000.80x = 735,186,411,217,890.25
  5. Step 5: Solve for x
    x = 735,186,411,217,890.25/31,512,000.80
  6. Step 6: Final answer
    x = 23,330,362.80

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1.5x scale

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.