Home / 22,974,896.40-31,705,362.02-12,520,915.20

Finding the Fourth Proportional to 22,974,896.40, 31,705,362.02 and 12,520,915.20

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Solution

The fourth proportional to 22,974,896.40, 31,705,362.02 and 12,520,915.20 is: 17,278,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,974,896.40 : 31,705,362.02 = 12,520,915.20 : x
  2. Step 2: Convert to fraction form
    22,974,896.40/31,705,362.02 = 12,520,915.20/x
  3. Step 3: Cross multiply
    22,974,896.40x = 31,705,362.02 × 12,520,915.20
  4. Step 4: Simplify right side
    22,974,896.40x = 396,980,149,237,720.69
  5. Step 5: Solve for x
    x = 396,980,149,237,720.69/22,974,896.40
  6. Step 6: Final answer
    x = 17,278,865.69

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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.