Home / 20,716,915.60-31,077,706.20-6,339,869.20

Finding the Fourth Proportional to 20,716,915.60, 31,077,706.20 and 6,339,869.20

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Solution

The fourth proportional to 20,716,915.60, 31,077,706.20 and 6,339,869.20 is: 9,510,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,915.60 : 31,077,706.20 = 6,339,869.20 : x
  2. Step 2: Convert to fraction form
    20,716,915.60/31,077,706.20 = 6,339,869.20/x
  3. Step 3: Cross multiply
    20,716,915.60x = 31,077,706.20 × 6,339,869.20
  4. Step 4: Simplify right side
    20,716,915.60x = 197,028,592,344,029.03
  5. Step 5: Solve for x
    x = 197,028,592,344,029.03/20,716,915.60
  6. Step 6: Final answer
    x = 9,510,517.69

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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.