Home / 18,522,498.09-25,569,932.75-13,020,589.29

Finding the Fourth Proportional to 18,522,498.09, 25,569,932.75 and 13,020,589.29

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Solution

The fourth proportional to 18,522,498.09, 25,569,932.75 and 13,020,589.29 is: 17,974,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,498.09 : 25,569,932.75 = 13,020,589.29 : x
  2. Step 2: Convert to fraction form
    18,522,498.09/25,569,932.75 = 13,020,589.29/x
  3. Step 3: Cross multiply
    18,522,498.09x = 25,569,932.75 × 13,020,589.29
  4. Step 4: Simplify right side
    18,522,498.09x = 332,935,592,590,281.75
  5. Step 5: Solve for x
    x = 332,935,592,590,281.75/18,522,498.09
  6. Step 6: Final answer
    x = 17,974,659.30

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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.