Home / 40,098,058.70-55,335,374.79-21,763,339.34

Finding the Fourth Proportional to 40,098,058.70, 55,335,374.79 and 21,763,339.34

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Solution

The fourth proportional to 40,098,058.70, 55,335,374.79 and 21,763,339.34 is: 30,033,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,058.70 : 55,335,374.79 = 21,763,339.34 : x
  2. Step 2: Convert to fraction form
    40,098,058.70/55,335,374.79 = 21,763,339.34/x
  3. Step 3: Cross multiply
    40,098,058.70x = 55,335,374.79 × 21,763,339.34
  4. Step 4: Simplify right side
    40,098,058.70x = 1,204,282,539,060,851.25
  5. Step 5: Solve for x
    x = 1,204,282,539,060,851.25/40,098,058.70
  6. Step 6: Final answer
    x = 30,033,437.48

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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.