Home / 10,366,569.80-15,549,854.70-7,138,065.73

Finding the Fourth Proportional to 10,366,569.80, 15,549,854.70 and 7,138,065.73

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Solution

The fourth proportional to 10,366,569.80, 15,549,854.70 and 7,138,065.73 is: 10,707,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,569.80 : 15,549,854.70 = 7,138,065.73 : x
  2. Step 2: Convert to fraction form
    10,366,569.80/15,549,854.70 = 7,138,065.73/x
  3. Step 3: Cross multiply
    10,366,569.80x = 15,549,854.70 × 7,138,065.73
  4. Step 4: Simplify right side
    10,366,569.80x = 110,995,884,940,549.44
  5. Step 5: Solve for x
    x = 110,995,884,940,549.44/10,366,569.80
  6. Step 6: Final answer
    x = 10,707,098.60

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Double scale
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1.5x scale

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.