Home / 40,077,003.36-55,306,284.66-21,742,284

Finding the Fourth Proportional to 40,077,003.36, 55,306,284.66 and 21,742,284

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Solution

The fourth proportional to 40,077,003.36, 55,306,284.66 and 21,742,284 is: 30,004,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,003.36 : 55,306,284.66 = 21,742,284 : x
  2. Step 2: Convert to fraction form
    40,077,003.36/55,306,284.66 = 21,742,284/x
  3. Step 3: Cross multiply
    40,077,003.36x = 55,306,284.66 × 21,742,284
  4. Step 4: Simplify right side
    40,077,003.36x = 1,202,484,948,062,563.25
  5. Step 5: Solve for x
    x = 1,202,484,948,062,563.25/40,077,003.36
  6. Step 6: Final answer
    x = 30,004,362.78

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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.