Home / 13,853,569.20-20,780,710.20-6,565,318.80

Finding the Fourth Proportional to 13,853,569.20, 20,780,710.20 and 6,565,318.80

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Solution

The fourth proportional to 13,853,569.20, 20,780,710.20 and 6,565,318.80 is: 9,848,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,569.20 : 20,780,710.20 = 6,565,318.80 : x
  2. Step 2: Convert to fraction form
    13,853,569.20/20,780,710.20 = 6,565,318.80/x
  3. Step 3: Cross multiply
    13,853,569.20x = 20,780,710.20 × 6,565,318.80
  4. Step 4: Simplify right side
    13,853,569.20x = 136,431,987,353,411.75
  5. Step 5: Solve for x
    x = 136,431,987,353,411.75/13,853,569.20
  6. Step 6: Final answer
    x = 9,848,147.10

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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.