Home / 8,986,753.80-13,480,130.70-6,860,989.80

Finding the Fourth Proportional to 8,986,753.80, 13,480,130.70 and 6,860,989.80

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Solution

The fourth proportional to 8,986,753.80, 13,480,130.70 and 6,860,989.80 is: 10,291,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,753.80 : 13,480,130.70 = 6,860,989.80 : x
  2. Step 2: Convert to fraction form
    8,986,753.80/13,480,130.70 = 6,860,989.80/x
  3. Step 3: Cross multiply
    8,986,753.80x = 13,480,130.70 × 6,860,989.80
  4. Step 4: Simplify right side
    8,986,753.80x = 92,487,039,235,366.86
  5. Step 5: Solve for x
    x = 92,487,039,235,366.86/8,986,753.80
  6. Step 6: Final answer
    x = 10,291,484.70

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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.