Home / 10,888,401.60-16,332,602.40-7,487,179.20

Finding the Fourth Proportional to 10,888,401.60, 16,332,602.40 and 7,487,179.20

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Solution

The fourth proportional to 10,888,401.60, 16,332,602.40 and 7,487,179.20 is: 11,230,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,401.60 : 16,332,602.40 = 7,487,179.20 : x
  2. Step 2: Convert to fraction form
    10,888,401.60/16,332,602.40 = 7,487,179.20/x
  3. Step 3: Cross multiply
    10,888,401.60x = 16,332,602.40 × 7,487,179.20
  4. Step 4: Simplify right side
    10,888,401.60x = 122,285,120,971,150.08
  5. Step 5: Solve for x
    x = 122,285,120,971,150.08/10,888,401.60
  6. Step 6: Final answer
    x = 11,230,768.80

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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.