Home / 11,664,005.60-17,496,008.40-7,178,808.80

Finding the Fourth Proportional to 11,664,005.60, 17,496,008.40 and 7,178,808.80

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Solution

The fourth proportional to 11,664,005.60, 17,496,008.40 and 7,178,808.80 is: 10,768,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,005.60 : 17,496,008.40 = 7,178,808.80 : x
  2. Step 2: Convert to fraction form
    11,664,005.60/17,496,008.40 = 7,178,808.80/x
  3. Step 3: Cross multiply
    11,664,005.60x = 17,496,008.40 × 7,178,808.80
  4. Step 4: Simplify right side
    11,664,005.60x = 125,600,499,066,793.91
  5. Step 5: Solve for x
    x = 125,600,499,066,793.91/11,664,005.60
  6. Step 6: Final answer
    x = 10,768,213.20

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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.