Home / 12,552,915.20-18,829,372.80-6,175,623.20

Finding the Fourth Proportional to 12,552,915.20, 18,829,372.80 and 6,175,623.20

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Solution

The fourth proportional to 12,552,915.20, 18,829,372.80 and 6,175,623.20 is: 9,263,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552,915.20 : 18,829,372.80 = 6,175,623.20 : x
  2. Step 2: Convert to fraction form
    12,552,915.20/18,829,372.80 = 6,175,623.20/x
  3. Step 3: Cross multiply
    12,552,915.20x = 18,829,372.80 × 6,175,623.20
  4. Step 4: Simplify right side
    12,552,915.20x = 116,283,111,505,128.97
  5. Step 5: Solve for x
    x = 116,283,111,505,128.97/12,552,915.20
  6. Step 6: Final answer
    x = 9,263,434.80

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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.