Home / 8,778,406.19-13,166,278.85-2,389,156.43

Finding the Fourth Proportional to 8,778,406.19, 13,166,278.85 and 2,389,156.43

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Solution

The fourth proportional to 8,778,406.19, 13,166,278.85 and 2,389,156.43 is: 3,583,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,406.19 : 13,166,278.85 = 2,389,156.43 : x
  2. Step 2: Convert to fraction form
    8,778,406.19/13,166,278.85 = 2,389,156.43/x
  3. Step 3: Cross multiply
    8,778,406.19x = 13,166,278.85 × 2,389,156.43
  4. Step 4: Simplify right side
    8,778,406.19x = 31,456,299,713,792.00
  5. Step 5: Solve for x
    x = 31,456,299,713,792.00/8,778,406.19
  6. Step 6: Final answer
    x = 3,583,372.55

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Similar ratio
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1.5x scale

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.