Home / 15,848,309.30-21,870,747.51-8,974,130.90

Finding the Fourth Proportional to 15,848,309.30, 21,870,747.51 and 8,974,130.90

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Solution

The fourth proportional to 15,848,309.30, 21,870,747.51 and 8,974,130.90 is: 12,384,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848,309.30 : 21,870,747.51 = 8,974,130.90 : x
  2. Step 2: Convert to fraction form
    15,848,309.30/21,870,747.51 = 8,974,130.90/x
  3. Step 3: Cross multiply
    15,848,309.30x = 21,870,747.51 × 8,974,130.90
  4. Step 4: Simplify right side
    15,848,309.30x = 196,270,951,035,589.09
  5. Step 5: Solve for x
    x = 196,270,951,035,589.09/15,848,309.30
  6. Step 6: Final answer
    x = 12,384,346.32

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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.