Home / 12,348,050.70-18,522,076.05-11,655,209.10

Finding the Fourth Proportional to 12,348,050.70, 18,522,076.05 and 11,655,209.10

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Solution

The fourth proportional to 12,348,050.70, 18,522,076.05 and 11,655,209.10 is: 17,482,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,050.70 : 18,522,076.05 = 11,655,209.10 : x
  2. Step 2: Convert to fraction form
    12,348,050.70/18,522,076.05 = 11,655,209.10/x
  3. Step 3: Cross multiply
    12,348,050.70x = 18,522,076.05 × 11,655,209.10
  4. Step 4: Simplify right side
    12,348,050.70x = 215,878,669,328,852.06
  5. Step 5: Solve for x
    x = 215,878,669,328,852.06/12,348,050.70
  6. Step 6: Final answer
    x = 17,482,813.65

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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.