Home / 11,247,330.60-16,870,995.90-8,239,228.20

Finding the Fourth Proportional to 11,247,330.60, 16,870,995.90 and 8,239,228.20

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Solution

The fourth proportional to 11,247,330.60, 16,870,995.90 and 8,239,228.20 is: 12,358,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,330.60 : 16,870,995.90 = 8,239,228.20 : x
  2. Step 2: Convert to fraction form
    11,247,330.60/16,870,995.90 = 8,239,228.20/x
  3. Step 3: Cross multiply
    11,247,330.60x = 16,870,995.90 × 8,239,228.20
  4. Step 4: Simplify right side
    11,247,330.60x = 139,003,985,181,364.38
  5. Step 5: Solve for x
    x = 139,003,985,181,364.38/11,247,330.60
  6. Step 6: Final answer
    x = 12,358,842.30

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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.