Home / 10,920,031.20-16,380,046.80-3,730,487.40

Finding the Fourth Proportional to 10,920,031.20, 16,380,046.80 and 3,730,487.40

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Solution

The fourth proportional to 10,920,031.20, 16,380,046.80 and 3,730,487.40 is: 5,595,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,031.20 : 16,380,046.80 = 3,730,487.40 : x
  2. Step 2: Convert to fraction form
    10,920,031.20/16,380,046.80 = 3,730,487.40/x
  3. Step 3: Cross multiply
    10,920,031.20x = 16,380,046.80 × 3,730,487.40
  4. Step 4: Simplify right side
    10,920,031.20x = 61,105,558,198,810.32
  5. Step 5: Solve for x
    x = 61,105,558,198,810.32/10,920,031.20
  6. Step 6: Final answer
    x = 5,595,731.10

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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.