Home / 13,407,246.30-20,110,869.45-4,887,860.70

Finding the Fourth Proportional to 13,407,246.30, 20,110,869.45 and 4,887,860.70

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Solution

The fourth proportional to 13,407,246.30, 20,110,869.45 and 4,887,860.70 is: 7,331,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,246.30 : 20,110,869.45 = 4,887,860.70 : x
  2. Step 2: Convert to fraction form
    13,407,246.30/20,110,869.45 = 4,887,860.70/x
  3. Step 3: Cross multiply
    13,407,246.30x = 20,110,869.45 × 4,887,860.70
  4. Step 4: Simplify right side
    13,407,246.30x = 98,299,128,427,485.61
  5. Step 5: Solve for x
    x = 98,299,128,427,485.61/13,407,246.30
  6. Step 6: Final answer
    x = 7,331,791.05

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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.