Home / 15,447,418.89-21,318,434.52-8,571,900.96

Finding the Fourth Proportional to 15,447,418.89, 21,318,434.52 and 8,571,900.96

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Solution

The fourth proportional to 15,447,418.89, 21,318,434.52 and 8,571,900.96 is: 11,829,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,418.89 : 21,318,434.52 = 8,571,900.96 : x
  2. Step 2: Convert to fraction form
    15,447,418.89/21,318,434.52 = 8,571,900.96/x
  3. Step 3: Cross multiply
    15,447,418.89x = 21,318,434.52 × 8,571,900.96
  4. Step 4: Simplify right side
    15,447,418.89x = 182,739,509,221,092.97
  5. Step 5: Solve for x
    x = 182,739,509,221,092.97/15,447,418.89
  6. Step 6: Final answer
    x = 11,829,776.26

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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.