Home / 38,966,440.40-58,449,660.60-10,212,520.40

Finding the Fourth Proportional to 38,966,440.40, 58,449,660.60 and 10,212,520.40

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Solution

The fourth proportional to 38,966,440.40, 58,449,660.60 and 10,212,520.40 is: 15,318,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966,440.40 : 58,449,660.60 = 10,212,520.40 : x
  2. Step 2: Convert to fraction form
    38,966,440.40/58,449,660.60 = 10,212,520.40/x
  3. Step 3: Cross multiply
    38,966,440.40x = 58,449,660.60 × 10,212,520.40
  4. Step 4: Simplify right side
    38,966,440.40x = 596,918,351,250,576.25
  5. Step 5: Solve for x
    x = 596,918,351,250,576.25/38,966,440.40
  6. Step 6: Final answer
    x = 15,318,780.60

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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.