Home / 12,088,220.10-18,132,330.15-11,379,048.90

Finding the Fourth Proportional to 12,088,220.10, 18,132,330.15 and 11,379,048.90

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Solution

The fourth proportional to 12,088,220.10, 18,132,330.15 and 11,379,048.90 is: 17,068,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,220.10 : 18,132,330.15 = 11,379,048.90 : x
  2. Step 2: Convert to fraction form
    12,088,220.10/18,132,330.15 = 11,379,048.90/x
  3. Step 3: Cross multiply
    12,088,220.10x = 18,132,330.15 × 11,379,048.90
  4. Step 4: Simplify right side
    12,088,220.10x = 206,328,671,447,794.31
  5. Step 5: Solve for x
    x = 206,328,671,447,794.31/12,088,220.10
  6. Step 6: Final answer
    x = 17,068,573.35

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Double scale
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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.