Home / 40,098,398.32-55,334,309.52-21,763,290.16

Finding the Fourth Proportional to 40,098,398.32, 55,334,309.52 and 21,763,290.16

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Solution

The fourth proportional to 40,098,398.32, 55,334,309.52 and 21,763,290.16 is: 30,032,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,398.32 : 55,334,309.52 = 21,763,290.16 : x
  2. Step 2: Convert to fraction form
    40,098,398.32/55,334,309.52 = 21,763,290.16/x
  3. Step 3: Cross multiply
    40,098,398.32x = 55,334,309.52 × 21,763,290.16
  4. Step 4: Simplify right side
    40,098,398.32x = 1,204,256,633,887,010.50
  5. Step 5: Solve for x
    x = 1,204,256,633,887,010.50/40,098,398.32
  6. Step 6: Final answer
    x = 30,032,537.07

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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.