Home / 34,103,940.40-47,063,768.40-18,634,023.68

Finding the Fourth Proportional to 34,103,940.40, 47,063,768.40 and 18,634,023.68

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Solution

The fourth proportional to 34,103,940.40, 47,063,768.40 and 18,634,023.68 is: 25,715,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103,940.40 : 47,063,768.40 = 18,634,023.68 : x
  2. Step 2: Convert to fraction form
    34,103,940.40/47,063,768.40 = 18,634,023.68/x
  3. Step 3: Cross multiply
    34,103,940.40x = 47,063,768.40 × 18,634,023.68
  4. Step 4: Simplify right side
    34,103,940.40x = 876,987,374,835,635.62
  5. Step 5: Solve for x
    x = 876,987,374,835,635.62/34,103,940.40
  6. Step 6: Final answer
    x = 25,715,133.34

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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.