Home / 18,990,487.52-26,206,837.32-10,288,876.40

Finding the Fourth Proportional to 18,990,487.52, 26,206,837.32 and 10,288,876.40

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Solution

The fourth proportional to 18,990,487.52, 26,206,837.32 and 10,288,876.40 is: 14,198,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990,487.52 : 26,206,837.32 = 10,288,876.40 : x
  2. Step 2: Convert to fraction form
    18,990,487.52/26,206,837.32 = 10,288,876.40/x
  3. Step 3: Cross multiply
    18,990,487.52x = 26,206,837.32 × 10,288,876.40
  4. Step 4: Simplify right side
    18,990,487.52x = 269,638,910,020,387.25
  5. Step 5: Solve for x
    x = 269,638,910,020,387.25/18,990,487.52
  6. Step 6: Final answer
    x = 14,198,630.22

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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.