Home / 27,866,864.70-38,458,170.63-15,478,374.78

Finding the Fourth Proportional to 27,866,864.70, 38,458,170.63 and 15,478,374.78

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Solution

The fourth proportional to 27,866,864.70, 38,458,170.63 and 15,478,374.78 is: 21,361,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866,864.70 : 38,458,170.63 = 15,478,374.78 : x
  2. Step 2: Convert to fraction form
    27,866,864.70/38,458,170.63 = 15,478,374.78/x
  3. Step 3: Cross multiply
    27,866,864.70x = 38,458,170.63 × 15,478,374.78
  4. Step 4: Simplify right side
    27,866,864.70x = 595,269,978,364,328.75
  5. Step 5: Solve for x
    x = 595,269,978,364,328.75/27,866,864.70
  6. Step 6: Final answer
    x = 21,361,211.06

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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.