Home / 16,398,667.40-24,598,001.10-12,572,292.20

Finding the Fourth Proportional to 16,398,667.40, 24,598,001.10 and 12,572,292.20

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Solution

The fourth proportional to 16,398,667.40, 24,598,001.10 and 12,572,292.20 is: 18,858,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398,667.40 : 24,598,001.10 = 12,572,292.20 : x
  2. Step 2: Convert to fraction form
    16,398,667.40/24,598,001.10 = 12,572,292.20/x
  3. Step 3: Cross multiply
    16,398,667.40x = 24,598,001.10 × 12,572,292.20
  4. Step 4: Simplify right side
    16,398,667.40x = 309,253,257,365,121.44
  5. Step 5: Solve for x
    x = 309,253,257,365,121.44/16,398,667.40
  6. Step 6: Final answer
    x = 18,858,438.30

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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.