Home / 12,449,615.08-18,674,420.70-9,613,863.40

Finding the Fourth Proportional to 12,449,615.08, 18,674,420.70 and 9,613,863.40

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Solution

The fourth proportional to 12,449,615.08, 18,674,420.70 and 9,613,863.40 is: 14,420,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,615.08 : 18,674,420.70 = 9,613,863.40 : x
  2. Step 2: Convert to fraction form
    12,449,615.08/18,674,420.70 = 9,613,863.40/x
  3. Step 3: Cross multiply
    12,449,615.08x = 18,674,420.70 × 9,613,863.40
  4. Step 4: Simplify right side
    12,449,615.08x = 179,533,329,683,932.38
  5. Step 5: Solve for x
    x = 179,533,329,683,932.38/12,449,615.08
  6. Step 6: Final answer
    x = 14,420,793.62

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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.