Home / 12,718,562.61-18,991,694.55-10,095,438.03

Finding the Fourth Proportional to 12,718,562.61, 18,991,694.55 and 10,095,438.03

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Solution

The fourth proportional to 12,718,562.61, 18,991,694.55 and 10,095,438.03 is: 15,074,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,562.61 : 18,991,694.55 = 10,095,438.03 : x
  2. Step 2: Convert to fraction form
    12,718,562.61/18,991,694.55 = 10,095,438.03/x
  3. Step 3: Cross multiply
    12,718,562.61x = 18,991,694.55 × 10,095,438.03
  4. Step 4: Simplify right side
    12,718,562.61x = 191,729,475,414,213.72
  5. Step 5: Solve for x
    x = 191,729,475,414,213.72/12,718,562.61
  6. Step 6: Final answer
    x = 15,074,775.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.