Home / 12,708,574.20-19,072,311.54-5,135,605.56

Finding the Fourth Proportional to 12,708,574.20, 19,072,311.54 and 5,135,605.56

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Solution

The fourth proportional to 12,708,574.20, 19,072,311.54 and 5,135,605.56 is: 7,707,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708,574.20 : 19,072,311.54 = 5,135,605.56 : x
  2. Step 2: Convert to fraction form
    12,708,574.20/19,072,311.54 = 5,135,605.56/x
  3. Step 3: Cross multiply
    12,708,574.20x = 19,072,311.54 × 5,135,605.56
  4. Step 4: Simplify right side
    12,708,574.20x = 97,947,869,186,876.16
  5. Step 5: Solve for x
    x = 97,947,869,186,876.16/12,708,574.20
  6. Step 6: Final answer
    x = 7,707,227.23

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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.