Home / 7,524,005.60-11,286,008.40-5,607,999.20

Finding the Fourth Proportional to 7,524,005.60, 11,286,008.40 and 5,607,999.20

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Solution

The fourth proportional to 7,524,005.60, 11,286,008.40 and 5,607,999.20 is: 8,411,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524,005.60 : 11,286,008.40 = 5,607,999.20 : x
  2. Step 2: Convert to fraction form
    7,524,005.60/11,286,008.40 = 5,607,999.20/x
  3. Step 3: Cross multiply
    7,524,005.60x = 11,286,008.40 × 5,607,999.20
  4. Step 4: Simplify right side
    7,524,005.60x = 63,291,926,078,393.28
  5. Step 5: Solve for x
    x = 63,291,926,078,393.28/7,524,005.60
  6. Step 6: Final answer
    x = 8,411,998.80

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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.