Home / 18,372,915.30-25,354,421.91-10,112,800.98

Finding the Fourth Proportional to 18,372,915.30, 25,354,421.91 and 10,112,800.98

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Solution

The fourth proportional to 18,372,915.30, 25,354,421.91 and 10,112,800.98 is: 13,955,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,915.30 : 25,354,421.91 = 10,112,800.98 : x
  2. Step 2: Convert to fraction form
    18,372,915.30/25,354,421.91 = 10,112,800.98/x
  3. Step 3: Cross multiply
    18,372,915.30x = 25,354,421.91 × 10,112,800.98
  4. Step 4: Simplify right side
    18,372,915.30x = 256,404,222,738,781.50
  5. Step 5: Solve for x
    x = 256,404,222,738,781.50/18,372,915.30
  6. Step 6: Final answer
    x = 13,955,554.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.