Home / 8,696,052.43-12,985,518.79-7,101,778.03

Finding the Fourth Proportional to 8,696,052.43, 12,985,518.79 and 7,101,778.03

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Solution

The fourth proportional to 8,696,052.43, 12,985,518.79 and 7,101,778.03 is: 10,604,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,052.43 : 12,985,518.79 = 7,101,778.03 : x
  2. Step 2: Convert to fraction form
    8,696,052.43/12,985,518.79 = 7,101,778.03/x
  3. Step 3: Cross multiply
    8,696,052.43x = 12,985,518.79 × 7,101,778.03
  4. Step 4: Simplify right side
    8,696,052.43x = 92,220,272,050,974.19
  5. Step 5: Solve for x
    x = 92,220,272,050,974.19/8,696,052.43
  6. Step 6: Final answer
    x = 10,604,843.15

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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.