Home / 12,195,063.29-18,294,267.99-7,079,894.45

Finding the Fourth Proportional to 12,195,063.29, 18,294,267.99 and 7,079,894.45

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Solution

The fourth proportional to 12,195,063.29, 18,294,267.99 and 7,079,894.45 is: 10,620,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,063.29 : 18,294,267.99 = 7,079,894.45 : x
  2. Step 2: Convert to fraction form
    12,195,063.29/18,294,267.99 = 7,079,894.45/x
  3. Step 3: Cross multiply
    12,195,063.29x = 18,294,267.99 × 7,079,894.45
  4. Step 4: Simplify right side
    12,195,063.29x = 129,521,486,317,742.31
  5. Step 5: Solve for x
    x = 129,521,486,317,742.31/12,195,063.29
  6. Step 6: Final answer
    x = 10,620,812.97

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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.