Home / 14,208,046.60-21,312,069.90-12,906,344.20

Finding the Fourth Proportional to 14,208,046.60, 21,312,069.90 and 12,906,344.20

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Solution

The fourth proportional to 14,208,046.60, 21,312,069.90 and 12,906,344.20 is: 19,359,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,046.60 : 21,312,069.90 = 12,906,344.20 : x
  2. Step 2: Convert to fraction form
    14,208,046.60/21,312,069.90 = 12,906,344.20/x
  3. Step 3: Cross multiply
    14,208,046.60x = 21,312,069.90 × 12,906,344.20
  4. Step 4: Simplify right side
    14,208,046.60x = 275,060,909,743,859.53
  5. Step 5: Solve for x
    x = 275,060,909,743,859.53/14,208,046.60
  6. Step 6: Final answer
    x = 19,359,516.30

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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.