Home / 13,661,475-18,853,269.12-7,466,385.84

Finding the Fourth Proportional to 13,661,475, 18,853,269.12 and 7,466,385.84

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Solution

The fourth proportional to 13,661,475, 18,853,269.12 and 7,466,385.84 is: 10,303,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661,475 : 18,853,269.12 = 7,466,385.84 : x
  2. Step 2: Convert to fraction form
    13,661,475/18,853,269.12 = 7,466,385.84/x
  3. Step 3: Cross multiply
    13,661,475x = 18,853,269.12 × 7,466,385.84
  4. Step 4: Simplify right side
    13,661,475x = 140,765,781,595,277.28
  5. Step 5: Solve for x
    x = 140,765,781,595,277.28/13,661,475
  6. Step 6: Final answer
    x = 10,303,849.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.