Home / 15,947,921.40-23,945,501.70-12,357,742.20

Finding the Fourth Proportional to 15,947,921.40, 23,945,501.70 and 12,357,742.20

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Solution

The fourth proportional to 15,947,921.40, 23,945,501.70 and 12,357,742.20 is: 18,554,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947,921.40 : 23,945,501.70 = 12,357,742.20 : x
  2. Step 2: Convert to fraction form
    15,947,921.40/23,945,501.70 = 12,357,742.20/x
  3. Step 3: Cross multiply
    15,947,921.40x = 23,945,501.70 × 12,357,742.20
  4. Step 4: Simplify right side
    15,947,921.40x = 295,912,336,858,261.69
  5. Step 5: Solve for x
    x = 295,912,336,858,261.69/15,947,921.40
  6. Step 6: Final answer
    x = 18,554,915.68

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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.