Home / 8,696,079.74-12,985,559.49-7,101,805.34

Finding the Fourth Proportional to 8,696,079.74, 12,985,559.49 and 7,101,805.34

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Solution

The fourth proportional to 8,696,079.74, 12,985,559.49 and 7,101,805.34 is: 10,604,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,079.74 : 12,985,559.49 = 7,101,805.34 : x
  2. Step 2: Convert to fraction form
    8,696,079.74/12,985,559.49 = 7,101,805.34/x
  3. Step 3: Cross multiply
    8,696,079.74x = 12,985,559.49 × 7,101,805.34
  4. Step 4: Simplify right side
    8,696,079.74x = 92,220,915,664,041.88
  5. Step 5: Solve for x
    x = 92,220,915,664,041.88/8,696,079.74
  6. Step 6: Final answer
    x = 10,604,883.86

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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.