Home / 28,563,290.88-39,417,198.66-15,510,433.56

Finding the Fourth Proportional to 28,563,290.88, 39,417,198.66 and 15,510,433.56

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Solution

The fourth proportional to 28,563,290.88, 39,417,198.66 and 15,510,433.56 is: 21,404,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563,290.88 : 39,417,198.66 = 15,510,433.56 : x
  2. Step 2: Convert to fraction form
    28,563,290.88/39,417,198.66 = 15,510,433.56/x
  3. Step 3: Cross multiply
    28,563,290.88x = 39,417,198.66 × 15,510,433.56
  4. Step 4: Simplify right side
    28,563,290.88x = 611,377,840,937,251
  5. Step 5: Solve for x
    x = 611,377,840,937,251/28,563,290.88
  6. Step 6: Final answer
    x = 21,404,320.79

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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.