Home / 8,042,763.13-12,057,364.43-3,490,382.78

Finding the Fourth Proportional to 8,042,763.13, 12,057,364.43 and 3,490,382.78

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Solution

The fourth proportional to 8,042,763.13, 12,057,364.43 and 3,490,382.78 is: 5,232,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,763.13 : 12,057,364.43 = 3,490,382.78 : x
  2. Step 2: Convert to fraction form
    8,042,763.13/12,057,364.43 = 3,490,382.78/x
  3. Step 3: Cross multiply
    8,042,763.13x = 12,057,364.43 × 3,490,382.78
  4. Step 4: Simplify right side
    8,042,763.13x = 42,084,817,178,656.52
  5. Step 5: Solve for x
    x = 42,084,817,178,656.52/8,042,763.13
  6. Step 6: Final answer
    x = 5,232,631.68

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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.