Home / 15,947,999.40-23,945,618.70-12,357,820.20

Finding the Fourth Proportional to 15,947,999.40, 23,945,618.70 and 12,357,820.20

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Solution

The fourth proportional to 15,947,999.40, 23,945,618.70 and 12,357,820.20 is: 18,555,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947,999.40 : 23,945,618.70 = 12,357,820.20 : x
  2. Step 2: Convert to fraction form
    15,947,999.40/23,945,618.70 = 12,357,820.20/x
  3. Step 3: Cross multiply
    15,947,999.40x = 23,945,618.70 × 12,357,820.20
  4. Step 4: Simplify right side
    15,947,999.40x = 295,915,650,472,357.69
  5. Step 5: Solve for x
    x = 295,915,650,472,357.69/15,947,999.40
  6. Step 6: Final answer
    x = 18,555,032.71

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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.