Home / 13,853,635.70-20,780,809.95-6,565,385.30

Finding the Fourth Proportional to 13,853,635.70, 20,780,809.95 and 6,565,385.30

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Solution

The fourth proportional to 13,853,635.70, 20,780,809.95 and 6,565,385.30 is: 9,848,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,635.70 : 20,780,809.95 = 6,565,385.30 : x
  2. Step 2: Convert to fraction form
    13,853,635.70/20,780,809.95 = 6,565,385.30/x
  3. Step 3: Cross multiply
    13,853,635.70x = 20,780,809.95 × 6,565,385.30
  4. Step 4: Simplify right side
    13,853,635.70x = 136,434,024,167,823.72
  5. Step 5: Solve for x
    x = 136,434,024,167,823.72/13,853,635.70
  6. Step 6: Final answer
    x = 9,848,246.85

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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.