Home / 14,258,207.80-21,387,311.70-13,250,438.20

Finding the Fourth Proportional to 14,258,207.80, 21,387,311.70 and 13,250,438.20

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Solution

The fourth proportional to 14,258,207.80, 21,387,311.70 and 13,250,438.20 is: 19,875,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,207.80 : 21,387,311.70 = 13,250,438.20 : x
  2. Step 2: Convert to fraction form
    14,258,207.80/21,387,311.70 = 13,250,438.20/x
  3. Step 3: Cross multiply
    14,258,207.80x = 21,387,311.70 × 13,250,438.20
  4. Step 4: Simplify right side
    14,258,207.80x = 283,391,251,944,986.94
  5. Step 5: Solve for x
    x = 283,391,251,944,986.94/14,258,207.80
  6. Step 6: Final answer
    x = 19,875,657.30

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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.