Home / 7,098,838.58-10,646,155.89-1,980,034.13

Finding the Fourth Proportional to 7,098,838.58, 10,646,155.89 and 1,980,034.13

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Solution

The fourth proportional to 7,098,838.58, 10,646,155.89 and 1,980,034.13 is: 2,969,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,838.58 : 10,646,155.89 = 1,980,034.13 : x
  2. Step 2: Convert to fraction form
    7,098,838.58/10,646,155.89 = 1,980,034.13/x
  3. Step 3: Cross multiply
    7,098,838.58x = 10,646,155.89 × 1,980,034.13
  4. Step 4: Simplify right side
    7,098,838.58x = 21,079,752,042,115.92
  5. Step 5: Solve for x
    x = 21,079,752,042,115.92/7,098,838.58
  6. Step 6: Final answer
    x = 2,969,464.91

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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.