Home / 12,461,473.20-18,711,455.40-6,792,769.20

Finding the Fourth Proportional to 12,461,473.20, 18,711,455.40 and 6,792,769.20

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Solution

The fourth proportional to 12,461,473.20, 18,711,455.40 and 6,792,769.20 is: 10,199,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,473.20 : 18,711,455.40 = 6,792,769.20 : x
  2. Step 2: Convert to fraction form
    12,461,473.20/18,711,455.40 = 6,792,769.20/x
  3. Step 3: Cross multiply
    12,461,473.20x = 18,711,455.40 × 6,792,769.20
  4. Step 4: Simplify right side
    12,461,473.20x = 127,102,597,928,293.67
  5. Step 5: Solve for x
    x = 127,102,597,928,293.67/12,461,473.20
  6. Step 6: Final answer
    x = 10,199,644.61

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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.