Home / 27,674,868.12-38,191,684.20-15,284,923.98

Finding the Fourth Proportional to 27,674,868.12, 38,191,684.20 and 15,284,923.98

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Solution

The fourth proportional to 27,674,868.12, 38,191,684.20 and 15,284,923.98 is: 21,093,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674,868.12 : 38,191,684.20 = 15,284,923.98 : x
  2. Step 2: Convert to fraction form
    27,674,868.12/38,191,684.20 = 15,284,923.98/x
  3. Step 3: Cross multiply
    27,674,868.12x = 38,191,684.20 × 15,284,923.98
  4. Step 4: Simplify right side
    27,674,868.12x = 583,756,989,665,167.12
  5. Step 5: Solve for x
    x = 583,756,989,665,167.12/27,674,868.12
  6. Step 6: Final answer
    x = 21,093,397.34

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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.