Home / 18,438,124.40-27,657,186.60-9,828,780.20

Finding the Fourth Proportional to 18,438,124.40, 27,657,186.60 and 9,828,780.20

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Solution

The fourth proportional to 18,438,124.40, 27,657,186.60 and 9,828,780.20 is: 14,743,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,124.40 : 27,657,186.60 = 9,828,780.20 : x
  2. Step 2: Convert to fraction form
    18,438,124.40/27,657,186.60 = 9,828,780.20/x
  3. Step 3: Cross multiply
    18,438,124.40x = 27,657,186.60 × 9,828,780.20
  4. Step 4: Simplify right side
    18,438,124.40x = 271,836,408,041,785.31
  5. Step 5: Solve for x
    x = 271,836,408,041,785.31/18,438,124.40
  6. Step 6: Final answer
    x = 14,743,170.30

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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.