Home / 18,522,499.09-25,569,934.13-13,020,590.29

Finding the Fourth Proportional to 18,522,499.09, 25,569,934.13 and 13,020,590.29

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Solution

The fourth proportional to 18,522,499.09, 25,569,934.13 and 13,020,590.29 is: 17,974,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,499.09 : 25,569,934.13 = 13,020,590.29 : x
  2. Step 2: Convert to fraction form
    18,522,499.09/25,569,934.13 = 13,020,590.29/x
  3. Step 3: Cross multiply
    18,522,499.09x = 25,569,934.13 × 13,020,590.29
  4. Step 4: Simplify right side
    18,522,499.09x = 332,935,636,049,017.56
  5. Step 5: Solve for x
    x = 332,935,636,049,017.56/18,522,499.09
  6. Step 6: Final answer
    x = 17,974,660.68

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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.