Home / 10,780,546.90-16,170,820.35-8,867,359.30

Finding the Fourth Proportional to 10,780,546.90, 16,170,820.35 and 8,867,359.30

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Solution

The fourth proportional to 10,780,546.90, 16,170,820.35 and 8,867,359.30 is: 13,301,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,546.90 : 16,170,820.35 = 8,867,359.30 : x
  2. Step 2: Convert to fraction form
    10,780,546.90/16,170,820.35 = 8,867,359.30/x
  3. Step 3: Cross multiply
    10,780,546.90x = 16,170,820.35 × 8,867,359.30
  4. Step 4: Simplify right side
    10,780,546.90x = 143,392,474,219,201.75
  5. Step 5: Solve for x
    x = 143,392,474,219,201.75/10,780,546.90
  6. Step 6: Final answer
    x = 13,301,038.95

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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.