Home / 8,696,061.80-12,985,532.78-7,101,787.40

Finding the Fourth Proportional to 8,696,061.80, 12,985,532.78 and 7,101,787.40

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Solution

The fourth proportional to 8,696,061.80, 12,985,532.78 and 7,101,787.40 is: 10,604,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,061.80 : 12,985,532.78 = 7,101,787.40 : x
  2. Step 2: Convert to fraction form
    8,696,061.80/12,985,532.78 = 7,101,787.40/x
  3. Step 3: Cross multiply
    8,696,061.80x = 12,985,532.78 × 7,101,787.40
  4. Step 4: Simplify right side
    8,696,061.80x = 92,220,493,079,290.97
  5. Step 5: Solve for x
    x = 92,220,493,079,290.97/8,696,061.80
  6. Step 6: Final answer
    x = 10,604,857.14

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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.