Home / 12,195,070.74-18,294,279.16-7,079,901.91

Finding the Fourth Proportional to 12,195,070.74, 18,294,279.16 and 7,079,901.91

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Solution

The fourth proportional to 12,195,070.74, 18,294,279.16 and 7,079,901.91 is: 10,620,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,070.74 : 18,294,279.16 = 7,079,901.91 : x
  2. Step 2: Convert to fraction form
    12,195,070.74/18,294,279.16 = 7,079,901.91/x
  3. Step 3: Cross multiply
    12,195,070.74x = 18,294,279.16 × 7,079,901.91
  4. Step 4: Simplify right side
    12,195,070.74x = 129,521,701,966,957.20
  5. Step 5: Solve for x
    x = 129,521,701,966,957.20/12,195,070.74
  6. Step 6: Final answer
    x = 10,620,824.16

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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.