Home / 13,785,390.98-20,680,330.75-4,070,986.52

Finding the Fourth Proportional to 13,785,390.98, 20,680,330.75 and 4,070,986.52

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Solution

The fourth proportional to 13,785,390.98, 20,680,330.75 and 4,070,986.52 is: 6,107,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,390.98 : 20,680,330.75 = 4,070,986.52 : x
  2. Step 2: Convert to fraction form
    13,785,390.98/20,680,330.75 = 4,070,986.52/x
  3. Step 3: Cross multiply
    13,785,390.98x = 20,680,330.75 × 4,070,986.52
  4. Step 4: Simplify right side
    13,785,390.98x = 84,189,347,608,989.84
  5. Step 5: Solve for x
    x = 84,189,347,608,989.84/13,785,390.98
  6. Step 6: Final answer
    x = 6,107,142.53

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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.