Home / 12,791,622.60-19,162,550.70-7,727,891.40

Finding the Fourth Proportional to 12,791,622.60, 19,162,550.70 and 7,727,891.40

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Solution

The fourth proportional to 12,791,622.60, 19,162,550.70 and 7,727,891.40 is: 11,576,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,622.60 : 19,162,550.70 = 7,727,891.40 : x
  2. Step 2: Convert to fraction form
    12,791,622.60/19,162,550.70 = 7,727,891.40/x
  3. Step 3: Cross multiply
    12,791,622.60x = 19,162,550.70 × 7,727,891.40
  4. Step 4: Simplify right side
    12,791,622.60x = 148,086,110,756,593.97
  5. Step 5: Solve for x
    x = 148,086,110,756,593.97/12,791,622.60
  6. Step 6: Final answer
    x = 11,576,804.24

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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.