Home / 12,461,503.20-18,711,500.40-6,792,799.20

Finding the Fourth Proportional to 12,461,503.20, 18,711,500.40 and 6,792,799.20

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Solution

The fourth proportional to 12,461,503.20, 18,711,500.40 and 6,792,799.20 is: 10,199,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,503.20 : 18,711,500.40 = 6,792,799.20 : x
  2. Step 2: Convert to fraction form
    12,461,503.20/18,711,500.40 = 6,792,799.20/x
  3. Step 3: Cross multiply
    12,461,503.20x = 18,711,500.40 × 6,792,799.20
  4. Step 4: Simplify right side
    12,461,503.20x = 127,103,464,947,919.67
  5. Step 5: Solve for x
    x = 127,103,464,947,919.67/12,461,503.20
  6. Step 6: Final answer
    x = 10,199,689.63

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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.