Home / 10,372,407.40-15,558,611.10-7,852,983.40

Finding the Fourth Proportional to 10,372,407.40, 15,558,611.10 and 7,852,983.40

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Solution

The fourth proportional to 10,372,407.40, 15,558,611.10 and 7,852,983.40 is: 11,779,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,407.40 : 15,558,611.10 = 7,852,983.40 : x
  2. Step 2: Convert to fraction form
    10,372,407.40/15,558,611.10 = 7,852,983.40/x
  3. Step 3: Cross multiply
    10,372,407.40x = 15,558,611.10 × 7,852,983.40
  4. Step 4: Simplify right side
    10,372,407.40x = 122,181,514,695,355.75
  5. Step 5: Solve for x
    x = 122,181,514,695,355.75/10,372,407.40
  6. Step 6: Final answer
    x = 11,779,475.10

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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.