Home / 17,870,722.80-26,806,084.20-13,111,810.80

Finding the Fourth Proportional to 17,870,722.80, 26,806,084.20 and 13,111,810.80

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Solution

The fourth proportional to 17,870,722.80, 26,806,084.20 and 13,111,810.80 is: 19,667,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870,722.80 : 26,806,084.20 = 13,111,810.80 : x
  2. Step 2: Convert to fraction form
    17,870,722.80/26,806,084.20 = 13,111,810.80/x
  3. Step 3: Cross multiply
    17,870,722.80x = 26,806,084.20 × 13,111,810.80
  4. Step 4: Simplify right side
    17,870,722.80x = 351,476,304,319,269.38
  5. Step 5: Solve for x
    x = 351,476,304,319,269.38/17,870,722.80
  6. Step 6: Final answer
    x = 19,667,716.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.