Home / 18,990,488.02-26,206,838-10,288,876.90

Finding the Fourth Proportional to 18,990,488.02, 26,206,838 and 10,288,876.90

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Solution

The fourth proportional to 18,990,488.02, 26,206,838 and 10,288,876.90 is: 14,198,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990,488.02 : 26,206,838 = 10,288,876.90 : x
  2. Step 2: Convert to fraction form
    18,990,488.02/26,206,838 = 10,288,876.90/x
  3. Step 3: Cross multiply
    18,990,488.02x = 26,206,838 × 10,288,876.90
  4. Step 4: Simplify right side
    18,990,488.02x = 269,638,930,120,242.22
  5. Step 5: Solve for x
    x = 269,638,930,120,242.22/18,990,488.02
  6. Step 6: Final answer
    x = 14,198,630.91

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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.