Home / 11,120,047.20-16,652,077.20-7,312,917.60

Finding the Fourth Proportional to 11,120,047.20, 16,652,077.20 and 7,312,917.60

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Solution

The fourth proportional to 11,120,047.20, 16,652,077.20 and 7,312,917.60 is: 10,950,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120,047.20 : 16,652,077.20 = 7,312,917.60 : x
  2. Step 2: Convert to fraction form
    11,120,047.20/16,652,077.20 = 7,312,917.60/x
  3. Step 3: Cross multiply
    11,120,047.20x = 16,652,077.20 × 7,312,917.60
  4. Step 4: Simplify right side
    11,120,047.20x = 121,775,268,432,438.70
  5. Step 5: Solve for x
    x = 121,775,268,432,438.70/11,120,047.20
  6. Step 6: Final answer
    x = 10,950,966.87

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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.