Home / 10,312,799.41-15,454,057.79-5,188,185.47

Finding the Fourth Proportional to 10,312,799.41, 15,454,057.79 and 5,188,185.47

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Solution

The fourth proportional to 10,312,799.41, 15,454,057.79 and 5,188,185.47 is: 7,774,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312,799.41 : 15,454,057.79 = 5,188,185.47 : x
  2. Step 2: Convert to fraction form
    10,312,799.41/15,454,057.79 = 5,188,185.47/x
  3. Step 3: Cross multiply
    10,312,799.41x = 15,454,057.79 × 5,188,185.47
  4. Step 4: Simplify right side
    10,312,799.41x = 80,178,518,101,040.38
  5. Step 5: Solve for x
    x = 80,178,518,101,040.38/10,312,799.41
  6. Step 6: Final answer
    x = 7,774,660.88

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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.