Home / 25,966,648.31-38,898,787.55-21,114,431.60

Finding the Fourth Proportional to 25,966,648.31, 38,898,787.55 and 21,114,431.60

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Solution

The fourth proportional to 25,966,648.31, 38,898,787.55 and 21,114,431.60 is: 31,630,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966,648.31 : 38,898,787.55 = 21,114,431.60 : x
  2. Step 2: Convert to fraction form
    25,966,648.31/38,898,787.55 = 21,114,431.60/x
  3. Step 3: Cross multiply
    25,966,648.31x = 38,898,787.55 × 21,114,431.60
  4. Step 4: Simplify right side
    25,966,648.31x = 821,325,788,747,340.50
  5. Step 5: Solve for x
    x = 821,325,788,747,340.50/25,966,648.31
  6. Step 6: Final answer
    x = 31,630,027.07

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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.