Home / 12,235,454.19-16,884,589.78-6,728,828.46

Finding the Fourth Proportional to 12,235,454.19, 16,884,589.78 and 6,728,828.46

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Solution

The fourth proportional to 12,235,454.19, 16,884,589.78 and 6,728,828.46 is: 9,285,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,454.19 : 16,884,589.78 = 6,728,828.46 : x
  2. Step 2: Convert to fraction form
    12,235,454.19/16,884,589.78 = 6,728,828.46/x
  3. Step 3: Cross multiply
    12,235,454.19x = 16,884,589.78 × 6,728,828.46
  4. Step 4: Simplify right side
    12,235,454.19x = 113,613,508,154,333.31
  5. Step 5: Solve for x
    x = 113,613,508,154,333.31/12,235,454.19
  6. Step 6: Final answer
    x = 9,285,597.93

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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.