Home / 18,992,451.24-26,209,545.48-10,290,859.38

Finding the Fourth Proportional to 18,992,451.24, 26,209,545.48 and 10,290,859.38

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Solution

The fourth proportional to 18,992,451.24, 26,209,545.48 and 10,290,859.38 is: 14,201,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,451.24 : 26,209,545.48 = 10,290,859.38 : x
  2. Step 2: Convert to fraction form
    18,992,451.24/26,209,545.48 = 10,290,859.38/x
  3. Step 3: Cross multiply
    18,992,451.24x = 26,209,545.48 × 10,290,859.38
  4. Step 4: Simplify right side
    18,992,451.24x = 269,718,746,948,394.62
  5. Step 5: Solve for x
    x = 269,718,746,948,394.62/18,992,451.24
  6. Step 6: Final answer
    x = 14,201,365.77

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1.5x scale

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.