Home / 12,096,581.40-18,144,872.10-7,309,675.80

Finding the Fourth Proportional to 12,096,581.40, 18,144,872.10 and 7,309,675.80

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Solution

The fourth proportional to 12,096,581.40, 18,144,872.10 and 7,309,675.80 is: 10,964,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,581.40 : 18,144,872.10 = 7,309,675.80 : x
  2. Step 2: Convert to fraction form
    12,096,581.40/18,144,872.10 = 7,309,675.80/x
  3. Step 3: Cross multiply
    12,096,581.40x = 18,144,872.10 × 7,309,675.80
  4. Step 4: Simplify right side
    12,096,581.40x = 132,633,132,483,465.19
  5. Step 5: Solve for x
    x = 132,633,132,483,465.19/12,096,581.40
  6. Step 6: Final answer
    x = 10,964,513.70

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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.