Home / 12,943,553.66-17,861,581.96-7,142,260.05

Finding the Fourth Proportional to 12,943,553.66, 17,861,581.96 and 7,142,260.05

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Solution

The fourth proportional to 12,943,553.66, 17,861,581.96 and 7,142,260.05 is: 9,856,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,553.66 : 17,861,581.96 = 7,142,260.05 : x
  2. Step 2: Convert to fraction form
    12,943,553.66/17,861,581.96 = 7,142,260.05/x
  3. Step 3: Cross multiply
    12,943,553.66x = 17,861,581.96 × 7,142,260.05
  4. Step 4: Simplify right side
    12,943,553.66x = 127,572,063,244,853.05
  5. Step 5: Solve for x
    x = 127,572,063,244,853.05/12,943,553.66
  6. Step 6: Final answer
    x = 9,856,030.78

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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.