Home / 10,223,461.20-15,366,684.60-9,656,590.80

Finding the Fourth Proportional to 10,223,461.20, 15,366,684.60 and 9,656,590.80

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Solution

The fourth proportional to 10,223,461.20, 15,366,684.60 and 9,656,590.80 is: 14,514,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,461.20 : 15,366,684.60 = 9,656,590.80 : x
  2. Step 2: Convert to fraction form
    10,223,461.20/15,366,684.60 = 9,656,590.80/x
  3. Step 3: Cross multiply
    10,223,461.20x = 15,366,684.60 × 9,656,590.80
  4. Step 4: Simplify right side
    10,223,461.20x = 148,389,785,134,861.69
  5. Step 5: Solve for x
    x = 148,389,785,134,861.69/10,223,461.20
  6. Step 6: Final answer
    x = 14,514,632.79

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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.