Home / 7,146,894.31-10,719,454.91-4,230,722.39

Finding the Fourth Proportional to 7,146,894.31, 10,719,454.91 and 4,230,722.39

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Solution

The fourth proportional to 7,146,894.31, 10,719,454.91 and 4,230,722.39 is: 6,345,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,894.31 : 10,719,454.91 = 4,230,722.39 : x
  2. Step 2: Convert to fraction form
    7,146,894.31/10,719,454.91 = 4,230,722.39/x
  3. Step 3: Cross multiply
    7,146,894.31x = 10,719,454.91 × 4,230,722.39
  4. Step 4: Simplify right side
    7,146,894.31x = 45,351,037,875,178.82
  5. Step 5: Solve for x
    x = 45,351,037,875,178.82/7,146,894.31
  6. Step 6: Final answer
    x = 6,345,558.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.