Home / 14,292,028.60-21,438,042.90-12,237,123.40

Finding the Fourth Proportional to 14,292,028.60, 21,438,042.90 and 12,237,123.40

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Solution

The fourth proportional to 14,292,028.60, 21,438,042.90 and 12,237,123.40 is: 18,355,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,028.60 : 21,438,042.90 = 12,237,123.40 : x
  2. Step 2: Convert to fraction form
    14,292,028.60/21,438,042.90 = 12,237,123.40/x
  3. Step 3: Cross multiply
    14,292,028.60x = 21,438,042.90 × 12,237,123.40
  4. Step 4: Simplify right side
    14,292,028.60x = 262,339,976,421,793.84
  5. Step 5: Solve for x
    x = 262,339,976,421,793.84/14,292,028.60
  6. Step 6: Final answer
    x = 18,355,685.10

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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.