Home / 10,657,802.80-15,986,704.20-2,679,626.80

Finding the Fourth Proportional to 10,657,802.80, 15,986,704.20 and 2,679,626.80

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Solution

The fourth proportional to 10,657,802.80, 15,986,704.20 and 2,679,626.80 is: 4,019,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,802.80 : 15,986,704.20 = 2,679,626.80 : x
  2. Step 2: Convert to fraction form
    10,657,802.80/15,986,704.20 = 2,679,626.80/x
  3. Step 3: Cross multiply
    10,657,802.80x = 15,986,704.20 × 2,679,626.80
  4. Step 4: Simplify right side
    10,657,802.80x = 42,838,401,017,992.55
  5. Step 5: Solve for x
    x = 42,838,401,017,992.55/10,657,802.80
  6. Step 6: Final answer
    x = 4,019,440.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.