Home / 40,073,730.82-55,301,854.94-21,739,016.32

Finding the Fourth Proportional to 40,073,730.82, 55,301,854.94 and 21,739,016.32

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Solution

The fourth proportional to 40,073,730.82, 55,301,854.94 and 21,739,016.32 is: 29,999,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,730.82 : 55,301,854.94 = 21,739,016.32 : x
  2. Step 2: Convert to fraction form
    40,073,730.82/55,301,854.94 = 21,739,016.32/x
  3. Step 3: Cross multiply
    40,073,730.82x = 55,301,854.94 × 21,739,016.32
  4. Step 4: Simplify right side
    40,073,730.82x = 1,202,207,927,066,932.50
  5. Step 5: Solve for x
    x = 1,202,207,927,066,932.50/40,073,730.82
  6. Step 6: Final answer
    x = 29,999,900.25

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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.