Home / 34,455,781.90-47,546,836.59-18,985,000.78

Finding the Fourth Proportional to 34,455,781.90, 47,546,836.59 and 18,985,000.78

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Solution

The fourth proportional to 34,455,781.90, 47,546,836.59 and 18,985,000.78 is: 26,198,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455,781.90 : 47,546,836.59 = 18,985,000.78 : x
  2. Step 2: Convert to fraction form
    34,455,781.90/47,546,836.59 = 18,985,000.78/x
  3. Step 3: Cross multiply
    34,455,781.90x = 47,546,836.59 × 18,985,000.78
  4. Step 4: Simplify right side
    34,455,781.90x = 902,676,729,747,682.62
  5. Step 5: Solve for x
    x = 902,676,729,747,682.62/34,455,781.90
  6. Step 6: Final answer
    x = 26,198,120.60

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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.