Home / 10,656,031.20-15,984,046.80-10,581,381.60

Finding the Fourth Proportional to 10,656,031.20, 15,984,046.80 and 10,581,381.60

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Solution

The fourth proportional to 10,656,031.20, 15,984,046.80 and 10,581,381.60 is: 15,872,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,031.20 : 15,984,046.80 = 10,581,381.60 : x
  2. Step 2: Convert to fraction form
    10,656,031.20/15,984,046.80 = 10,581,381.60/x
  3. Step 3: Cross multiply
    10,656,031.20x = 15,984,046.80 × 10,581,381.60
  4. Step 4: Simplify right side
    10,656,031.20x = 169,133,298,703,058.88
  5. Step 5: Solve for x
    x = 169,133,298,703,058.88/10,656,031.20
  6. Step 6: Final answer
    x = 15,872,072.40

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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.