Home / 27,995,847-38,634,269.40-15,118,791

Finding the Fourth Proportional to 27,995,847, 38,634,269.40 and 15,118,791

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Solution

The fourth proportional to 27,995,847, 38,634,269.40 and 15,118,791 is: 20,863,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995,847 : 38,634,269.40 = 15,118,791 : x
  2. Step 2: Convert to fraction form
    27,995,847/38,634,269.40 = 15,118,791/x
  3. Step 3: Cross multiply
    27,995,847x = 38,634,269.40 × 15,118,791
  4. Step 4: Simplify right side
    27,995,847x = 584,103,444,496,295.38
  5. Step 5: Solve for x
    x = 584,103,444,496,295.38/27,995,847
  6. Step 6: Final answer
    x = 20,863,931.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.