Home / 16,897,765.34-25,336,525.85-5,378,256.78

Finding the Fourth Proportional to 16,897,765.34, 25,336,525.85 and 5,378,256.78

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Solution

The fourth proportional to 16,897,765.34, 25,336,525.85 and 5,378,256.78 is: 8,064,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897,765.34 : 25,336,525.85 = 5,378,256.78 : x
  2. Step 2: Convert to fraction form
    16,897,765.34/25,336,525.85 = 5,378,256.78/x
  3. Step 3: Cross multiply
    16,897,765.34x = 25,336,525.85 × 5,378,256.78
  4. Step 4: Simplify right side
    16,897,765.34x = 136,266,341,934,407.78
  5. Step 5: Solve for x
    x = 136,266,341,934,407.78/16,897,765.34
  6. Step 6: Final answer
    x = 8,064,163.47

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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.