Home / 12,283,781.70-18,425,672.55-12,124,349.40

Finding the Fourth Proportional to 12,283,781.70, 18,425,672.55 and 12,124,349.40

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Solution

The fourth proportional to 12,283,781.70, 18,425,672.55 and 12,124,349.40 is: 18,186,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,781.70 : 18,425,672.55 = 12,124,349.40 : x
  2. Step 2: Convert to fraction form
    12,283,781.70/18,425,672.55 = 12,124,349.40/x
  3. Step 3: Cross multiply
    12,283,781.70x = 18,425,672.55 × 12,124,349.40
  4. Step 4: Simplify right side
    12,283,781.70x = 223,399,291,926,189
  5. Step 5: Solve for x
    x = 223,399,291,926,189/12,283,781.70
  6. Step 6: Final answer
    x = 18,186,524.10

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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.