Home / 10,384,232.80-15,576,349.20-7,514,451.40

Finding the Fourth Proportional to 10,384,232.80, 15,576,349.20 and 7,514,451.40

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Solution

The fourth proportional to 10,384,232.80, 15,576,349.20 and 7,514,451.40 is: 11,271,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384,232.80 : 15,576,349.20 = 7,514,451.40 : x
  2. Step 2: Convert to fraction form
    10,384,232.80/15,576,349.20 = 7,514,451.40/x
  3. Step 3: Cross multiply
    10,384,232.80x = 15,576,349.20 × 7,514,451.40
  4. Step 4: Simplify right side
    10,384,232.80x = 117,047,719,052,828.88
  5. Step 5: Solve for x
    x = 117,047,719,052,828.88/10,384,232.80
  6. Step 6: Final answer
    x = 11,271,677.10

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Double scale
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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.