Home / 15,709,877.20-23,511,671.70-13,796,689.60

Finding the Fourth Proportional to 15,709,877.20, 23,511,671.70 and 13,796,689.60

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Solution

The fourth proportional to 15,709,877.20, 23,511,671.70 and 13,796,689.60 is: 20,648,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709,877.20 : 23,511,671.70 = 13,796,689.60 : x
  2. Step 2: Convert to fraction form
    15,709,877.20/23,511,671.70 = 13,796,689.60/x
  3. Step 3: Cross multiply
    15,709,877.20x = 23,511,671.70 × 13,796,689.60
  4. Step 4: Simplify right side
    15,709,877.20x = 324,383,236,422,004.31
  5. Step 5: Solve for x
    x = 324,383,236,422,004.31/15,709,877.20
  6. Step 6: Final answer
    x = 20,648,362.32

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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.