Home / 39,034,262.88-53,867,601.72-21,630,898.80

Finding the Fourth Proportional to 39,034,262.88, 53,867,601.72 and 21,630,898.80

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Solution

The fourth proportional to 39,034,262.88, 53,867,601.72 and 21,630,898.80 is: 29,850,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,262.88 : 53,867,601.72 = 21,630,898.80 : x
  2. Step 2: Convert to fraction form
    39,034,262.88/53,867,601.72 = 21,630,898.80/x
  3. Step 3: Cross multiply
    39,034,262.88x = 53,867,601.72 × 21,630,898.80
  4. Step 4: Simplify right side
    39,034,262.88x = 1,165,204,641,404,026
  5. Step 5: Solve for x
    x = 1,165,204,641,404,026/39,034,262.88
  6. Step 6: Final answer
    x = 29,850,817.09

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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.