Home / 12,948,249.39-17,867,312.32-7,146,657.46

Finding the Fourth Proportional to 12,948,249.39, 17,867,312.32 and 7,146,657.46

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Solution

The fourth proportional to 12,948,249.39, 17,867,312.32 and 7,146,657.46 is: 9,861,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,249.39 : 17,867,312.32 = 7,146,657.46 : x
  2. Step 2: Convert to fraction form
    12,948,249.39/17,867,312.32 = 7,146,657.46/x
  3. Step 3: Cross multiply
    12,948,249.39x = 17,867,312.32 × 7,146,657.46
  4. Step 4: Simplify right side
    12,948,249.39x = 127,691,560,886,345.39
  5. Step 5: Solve for x
    x = 127,691,560,886,345.39/12,948,249.39
  6. Step 6: Final answer
    x = 9,861,685.32

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1.5x scale

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.