Home / 15,848,308.30-21,870,746.13-8,974,129.90

Finding the Fourth Proportional to 15,848,308.30, 21,870,746.13 and 8,974,129.90

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Solution

The fourth proportional to 15,848,308.30, 21,870,746.13 and 8,974,129.90 is: 12,384,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848,308.30 : 21,870,746.13 = 8,974,129.90 : x
  2. Step 2: Convert to fraction form
    15,848,308.30/21,870,746.13 = 8,974,129.90/x
  3. Step 3: Cross multiply
    15,848,308.30x = 21,870,746.13 × 8,974,129.90
  4. Step 4: Simplify right side
    15,848,308.30x = 196,270,916,780,542.28
  5. Step 5: Solve for x
    x = 196,270,916,780,542.28/15,848,308.30
  6. Step 6: Final answer
    x = 12,384,344.94

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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.