Home / 7,417,767.78-10,234,195.29-4,154,141.70

Finding the Fourth Proportional to 7,417,767.78, 10,234,195.29 and 4,154,141.70

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Solution

The fourth proportional to 7,417,767.78, 10,234,195.29 and 4,154,141.70 is: 5,731,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417,767.78 : 10,234,195.29 = 4,154,141.70 : x
  2. Step 2: Convert to fraction form
    7,417,767.78/10,234,195.29 = 4,154,141.70/x
  3. Step 3: Cross multiply
    7,417,767.78x = 10,234,195.29 × 4,154,141.70
  4. Step 4: Simplify right side
    7,417,767.78x = 42,514,297,420,132.59
  5. Step 5: Solve for x
    x = 42,514,297,420,132.59/7,417,767.78
  6. Step 6: Final answer
    x = 5,731,413.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.