Home / 10,928,101.60-16,378,155.60-8,391,181.60

Finding the Fourth Proportional to 10,928,101.60, 16,378,155.60 and 8,391,181.60

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Solution

The fourth proportional to 10,928,101.60, 16,378,155.60 and 8,391,181.60 is: 12,576,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,101.60 : 16,378,155.60 = 8,391,181.60 : x
  2. Step 2: Convert to fraction form
    10,928,101.60/16,378,155.60 = 8,391,181.60/x
  3. Step 3: Cross multiply
    10,928,101.60x = 16,378,155.60 × 8,391,181.60
  4. Step 4: Simplify right side
    10,928,101.60x = 137,432,077,912,656.95
  5. Step 5: Solve for x
    x = 137,432,077,912,656.95/10,928,101.60
  6. Step 6: Final answer
    x = 12,576,024.91

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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.