Home / 27,814,099-38,382,729.31-15,424,160.87

Finding the Fourth Proportional to 27,814,099, 38,382,729.31 and 15,424,160.87

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Solution

The fourth proportional to 27,814,099, 38,382,729.31 and 15,424,160.87 is: 21,284,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814,099 : 38,382,729.31 = 15,424,160.87 : x
  2. Step 2: Convert to fraction form
    27,814,099/38,382,729.31 = 15,424,160.87/x
  3. Step 3: Cross multiply
    27,814,099x = 38,382,729.31 × 15,424,160.87
  4. Step 4: Simplify right side
    27,814,099x = 592,021,391,507,104.12
  5. Step 5: Solve for x
    x = 592,021,391,507,104.12/27,814,099
  6. Step 6: Final answer
    x = 21,284,938.67

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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.