Home / 6,652,915.20-9,964,627.20-5,152,140.80

Finding the Fourth Proportional to 6,652,915.20, 9,964,627.20 and 5,152,140.80

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Solution

The fourth proportional to 6,652,915.20, 9,964,627.20 and 5,152,140.80 is: 7,716,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,915.20 : 9,964,627.20 = 5,152,140.80 : x
  2. Step 2: Convert to fraction form
    6,652,915.20/9,964,627.20 = 5,152,140.80/x
  3. Step 3: Cross multiply
    6,652,915.20x = 9,964,627.20 × 5,152,140.80
  4. Step 4: Simplify right side
    6,652,915.20x = 51,339,162,353,909.76
  5. Step 5: Solve for x
    x = 51,339,162,353,909.76/6,652,915.20
  6. Step 6: Final answer
    x = 7,716,791.93

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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.