Home / 39,386,865.54-54,353,949.66-21,745,802.22

Finding the Fourth Proportional to 39,386,865.54, 54,353,949.66 and 21,745,802.22

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Solution

The fourth proportional to 39,386,865.54, 54,353,949.66 and 21,745,802.22 is: 30,009,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386,865.54 : 54,353,949.66 = 21,745,802.22 : x
  2. Step 2: Convert to fraction form
    39,386,865.54/54,353,949.66 = 21,745,802.22/x
  3. Step 3: Cross multiply
    39,386,865.54x = 54,353,949.66 × 21,745,802.22
  4. Step 4: Simplify right side
    39,386,865.54x = 1,181,970,239,182,196
  5. Step 5: Solve for x
    x = 1,181,970,239,182,196/39,386,865.54
  6. Step 6: Final answer
    x = 30,009,248.59

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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.