Home / 34,455,789.90-47,546,847.63-18,985,008.78

Finding the Fourth Proportional to 34,455,789.90, 47,546,847.63 and 18,985,008.78

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Solution

The fourth proportional to 34,455,789.90, 47,546,847.63 and 18,985,008.78 is: 26,198,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455,789.90 : 47,546,847.63 = 18,985,008.78 : x
  2. Step 2: Convert to fraction form
    34,455,789.90/47,546,847.63 = 18,985,008.78/x
  3. Step 3: Cross multiply
    34,455,789.90x = 47,546,847.63 × 18,985,008.78
  4. Step 4: Simplify right side
    34,455,789.90x = 902,677,319,716,872.25
  5. Step 5: Solve for x
    x = 902,677,319,716,872.25/34,455,789.90
  6. Step 6: Final answer
    x = 26,198,131.64

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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.