Home / 6,514,251.20-9,771,376.80-3,155,019.20

Finding the Fourth Proportional to 6,514,251.20, 9,771,376.80 and 3,155,019.20

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Solution

The fourth proportional to 6,514,251.20, 9,771,376.80 and 3,155,019.20 is: 4,732,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514,251.20 : 9,771,376.80 = 3,155,019.20 : x
  2. Step 2: Convert to fraction form
    6,514,251.20/9,771,376.80 = 3,155,019.20/x
  3. Step 3: Cross multiply
    6,514,251.20x = 9,771,376.80 × 3,155,019.20
  4. Step 4: Simplify right side
    6,514,251.20x = 30,828,881,414,434.56
  5. Step 5: Solve for x
    x = 30,828,881,414,434.56/6,514,251.20
  6. Step 6: Final answer
    x = 4,732,528.80

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Similar ratio
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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.