Home / 8,889,786.70-13,334,680.05-8,541,421.90

Finding the Fourth Proportional to 8,889,786.70, 13,334,680.05 and 8,541,421.90

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Solution

The fourth proportional to 8,889,786.70, 13,334,680.05 and 8,541,421.90 is: 12,812,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,786.70 : 13,334,680.05 = 8,541,421.90 : x
  2. Step 2: Convert to fraction form
    8,889,786.70/13,334,680.05 = 8,541,421.90/x
  3. Step 3: Cross multiply
    8,889,786.70x = 13,334,680.05 × 8,541,421.90
  4. Step 4: Simplify right side
    8,889,786.70x = 113,897,128,208,563.11
  5. Step 5: Solve for x
    x = 113,897,128,208,563.11/8,889,786.70
  6. Step 6: Final answer
    x = 12,812,132.85

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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.