Home / 15,447,418.39-21,318,433.83-8,571,900.45

Finding the Fourth Proportional to 15,447,418.39, 21,318,433.83 and 8,571,900.45

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Solution

The fourth proportional to 15,447,418.39, 21,318,433.83 and 8,571,900.45 is: 11,829,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,418.39 : 21,318,433.83 = 8,571,900.45 : x
  2. Step 2: Convert to fraction form
    15,447,418.39/21,318,433.83 = 8,571,900.45/x
  3. Step 3: Cross multiply
    15,447,418.39x = 21,318,433.83 × 8,571,900.45
  4. Step 4: Simplify right side
    15,447,418.39x = 182,739,492,620,616.31
  5. Step 5: Solve for x
    x = 182,739,492,620,616.31/15,447,418.39
  6. Step 6: Final answer
    x = 11,829,775.56

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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.