Home / 11,180,005.60-16,770,008.40-7,148,927.20

Finding the Fourth Proportional to 11,180,005.60, 16,770,008.40 and 7,148,927.20

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Solution

The fourth proportional to 11,180,005.60, 16,770,008.40 and 7,148,927.20 is: 10,723,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180,005.60 : 16,770,008.40 = 7,148,927.20 : x
  2. Step 2: Convert to fraction form
    11,180,005.60/16,770,008.40 = 7,148,927.20/x
  3. Step 3: Cross multiply
    11,180,005.60x = 16,770,008.40 × 7,148,927.20
  4. Step 4: Simplify right side
    11,180,005.60x = 119,887,569,194,988.48
  5. Step 5: Solve for x
    x = 119,887,569,194,988.48/11,180,005.60
  6. Step 6: Final answer
    x = 10,723,390.80

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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.