Home / 13,426,594.16-18,530,922.08-7,921,314.95

Finding the Fourth Proportional to 13,426,594.16, 18,530,922.08 and 7,921,314.95

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Solution

The fourth proportional to 13,426,594.16, 18,530,922.08 and 7,921,314.95 is: 10,932,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,594.16 : 18,530,922.08 = 7,921,314.95 : x
  2. Step 2: Convert to fraction form
    13,426,594.16/18,530,922.08 = 7,921,314.95/x
  3. Step 3: Cross multiply
    13,426,594.16x = 18,530,922.08 × 7,921,314.95
  4. Step 4: Simplify right side
    13,426,594.16x = 146,789,270,109,589.09
  5. Step 5: Solve for x
    x = 146,789,270,109,589.09/13,426,594.16
  6. Step 6: Final answer
    x = 10,932,725.63

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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.