Home / 40,210,534.44-55,490,778.72-21,875,951.16

Finding the Fourth Proportional to 40,210,534.44, 55,490,778.72 and 21,875,951.16

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Solution

The fourth proportional to 40,210,534.44, 55,490,778.72 and 21,875,951.16 is: 30,188,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210,534.44 : 55,490,778.72 = 21,875,951.16 : x
  2. Step 2: Convert to fraction form
    40,210,534.44/55,490,778.72 = 21,875,951.16/x
  3. Step 3: Cross multiply
    40,210,534.44x = 55,490,778.72 × 21,875,951.16
  4. Step 4: Simplify right side
    40,210,534.44x = 1,213,913,565,109,087.25
  5. Step 5: Solve for x
    x = 1,213,913,565,109,087.25/40,210,534.44
  6. Step 6: Final answer
    x = 30,188,943.82

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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.