Home / 10,366,296.78-15,549,445.16-10,206,864.48

Finding the Fourth Proportional to 10,366,296.78, 15,549,445.16 and 10,206,864.48

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Solution

The fourth proportional to 10,366,296.78, 15,549,445.16 and 10,206,864.48 is: 15,310,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,296.78 : 15,549,445.16 = 10,206,864.48 : x
  2. Step 2: Convert to fraction form
    10,366,296.78/15,549,445.16 = 10,206,864.48/x
  3. Step 3: Cross multiply
    10,366,296.78x = 15,549,445.16 × 10,206,864.48
  4. Step 4: Simplify right side
    10,366,296.78x = 158,711,079,487,311.94
  5. Step 5: Solve for x
    x = 158,711,079,487,311.94/10,366,296.78
  6. Step 6: Final answer
    x = 15,310,296.71

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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.