Home / 18,670,247.40-28,005,371.10-4,486,823.40

Finding the Fourth Proportional to 18,670,247.40, 28,005,371.10 and 4,486,823.40

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Solution

The fourth proportional to 18,670,247.40, 28,005,371.10 and 4,486,823.40 is: 6,730,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,247.40 : 28,005,371.10 = 4,486,823.40 : x
  2. Step 2: Convert to fraction form
    18,670,247.40/28,005,371.10 = 4,486,823.40/x
  3. Step 3: Cross multiply
    18,670,247.40x = 28,005,371.10 × 4,486,823.40
  4. Step 4: Simplify right side
    18,670,247.40x = 125,655,154,377,163.75
  5. Step 5: Solve for x
    x = 125,655,154,377,163.75/18,670,247.40
  6. Step 6: Final answer
    x = 6,730,235.10

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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.