Home / 8,869,143.90-13,303,715.85-6,743,379.90

Finding the Fourth Proportional to 8,869,143.90, 13,303,715.85 and 6,743,379.90

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Solution

The fourth proportional to 8,869,143.90, 13,303,715.85 and 6,743,379.90 is: 10,115,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,143.90 : 13,303,715.85 = 6,743,379.90 : x
  2. Step 2: Convert to fraction form
    8,869,143.90/13,303,715.85 = 6,743,379.90/x
  3. Step 3: Cross multiply
    8,869,143.90x = 13,303,715.85 × 6,743,379.90
  4. Step 4: Simplify right side
    8,869,143.90x = 89,712,010,058,201.42
  5. Step 5: Solve for x
    x = 89,712,010,058,201.42/8,869,143.90
  6. Step 6: Final answer
    x = 10,115,069.85

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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.