Home / 34,358,679.30-47,415,958.79-20,948,118.58

Finding the Fourth Proportional to 34,358,679.30, 47,415,958.79 and 20,948,118.58

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Solution

The fourth proportional to 34,358,679.30, 47,415,958.79 and 20,948,118.58 is: 28,909,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,358,679.30 : 47,415,958.79 = 20,948,118.58 : x
  2. Step 2: Convert to fraction form
    34,358,679.30/47,415,958.79 = 20,948,118.58/x
  3. Step 3: Cross multiply
    34,358,679.30x = 47,415,958.79 × 20,948,118.58
  4. Step 4: Simplify right side
    34,358,679.30x = 993,275,127,094,032.75
  5. Step 5: Solve for x
    x = 993,275,127,094,032.75/34,358,679.30
  6. Step 6: Final answer
    x = 28,909,001.96

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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.