Home / 8,696,060.80-12,985,531.29-7,101,786.40

Finding the Fourth Proportional to 8,696,060.80, 12,985,531.29 and 7,101,786.40

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Solution

The fourth proportional to 8,696,060.80, 12,985,531.29 and 7,101,786.40 is: 10,604,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,060.80 : 12,985,531.29 = 7,101,786.40 : x
  2. Step 2: Convert to fraction form
    8,696,060.80/12,985,531.29 = 7,101,786.40/x
  3. Step 3: Cross multiply
    8,696,060.80x = 12,985,531.29 × 7,101,786.40
  4. Step 4: Simplify right side
    8,696,060.80x = 92,220,469,479,632.62
  5. Step 5: Solve for x
    x = 92,220,469,479,632.62/8,696,060.80
  6. Step 6: Final answer
    x = 10,604,855.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.