Home / 18,372,915.40-27,559,373.10-12,633,352.60

Finding the Fourth Proportional to 18,372,915.40, 27,559,373.10 and 12,633,352.60

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Solution

The fourth proportional to 18,372,915.40, 27,559,373.10 and 12,633,352.60 is: 18,950,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,915.40 : 27,559,373.10 = 12,633,352.60 : x
  2. Step 2: Convert to fraction form
    18,372,915.40/27,559,373.10 = 12,633,352.60/x
  3. Step 3: Cross multiply
    18,372,915.40x = 27,559,373.10 × 12,633,352.60
  4. Step 4: Simplify right side
    18,372,915.40x = 348,167,277,807,255.06
  5. Step 5: Solve for x
    x = 348,167,277,807,255.06/18,372,915.40
  6. Step 6: Final answer
    x = 18,950,028.90

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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.