Home / 10,995,971.20-16,465,963.20-10,492,086.40

Finding the Fourth Proportional to 10,995,971.20, 16,465,963.20 and 10,492,086.40

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Solution

The fourth proportional to 10,995,971.20, 16,465,963.20 and 10,492,086.40 is: 15,711,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995,971.20 : 16,465,963.20 = 10,492,086.40 : x
  2. Step 2: Convert to fraction form
    10,995,971.20/16,465,963.20 = 10,492,086.40/x
  3. Step 3: Cross multiply
    10,995,971.20x = 16,465,963.20 × 10,492,086.40
  4. Step 4: Simplify right side
    10,995,971.20x = 172,762,308,553,620.47
  5. Step 5: Solve for x
    x = 172,762,308,553,620.47/10,995,971.20
  6. Step 6: Final answer
    x = 15,711,418.79

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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.