Home / 10,631,703.78-15,957,062.33-5,447,849.74

Finding the Fourth Proportional to 10,631,703.78, 15,957,062.33 and 5,447,849.74

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Solution

The fourth proportional to 10,631,703.78, 15,957,062.33 and 5,447,849.74 is: 8,176,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,703.78 : 15,957,062.33 = 5,447,849.74 : x
  2. Step 2: Convert to fraction form
    10,631,703.78/15,957,062.33 = 5,447,849.74/x
  3. Step 3: Cross multiply
    10,631,703.78x = 15,957,062.33 × 5,447,849.74
  4. Step 4: Simplify right side
    10,631,703.78x = 86,931,677,799,247.05
  5. Step 5: Solve for x
    x = 86,931,677,799,247.05/10,631,703.78
  6. Step 6: Final answer
    x = 8,176,645.96

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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.