Home / 8,839,297.76-12,198,356.90-5,217,625.76

Finding the Fourth Proportional to 8,839,297.76, 12,198,356.90 and 5,217,625.76

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Solution

The fourth proportional to 8,839,297.76, 12,198,356.90 and 5,217,625.76 is: 7,200,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,297.76 : 12,198,356.90 = 5,217,625.76 : x
  2. Step 2: Convert to fraction form
    8,839,297.76/12,198,356.90 = 5,217,625.76/x
  3. Step 3: Cross multiply
    8,839,297.76x = 12,198,356.90 × 5,217,625.76
  4. Step 4: Simplify right side
    8,839,297.76x = 63,646,461,191,113.74
  5. Step 5: Solve for x
    x = 63,646,461,191,113.74/8,839,297.76
  6. Step 6: Final answer
    x = 7,200,397.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.