Home / 39,386,863.54-54,353,946.90-21,745,800.22

Finding the Fourth Proportional to 39,386,863.54, 54,353,946.90 and 21,745,800.22

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Solution

The fourth proportional to 39,386,863.54, 54,353,946.90 and 21,745,800.22 is: 30,009,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386,863.54 : 54,353,946.90 = 21,745,800.22 : x
  2. Step 2: Convert to fraction form
    39,386,863.54/54,353,946.90 = 21,745,800.22/x
  3. Step 3: Cross multiply
    39,386,863.54x = 54,353,946.90 × 21,745,800.22
  4. Step 4: Simplify right side
    39,386,863.54x = 1,181,970,070,455,888.25
  5. Step 5: Solve for x
    x = 1,181,970,070,455,888.25/39,386,863.54
  6. Step 6: Final answer
    x = 30,009,245.83

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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.