Home / 40,356,008.76-55,690,769.52-22,020,978.36

Finding the Fourth Proportional to 40,356,008.76, 55,690,769.52 and 22,020,978.36

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Solution

The fourth proportional to 40,356,008.76, 55,690,769.52 and 22,020,978.36 is: 30,388,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356,008.76 : 55,690,769.52 = 22,020,978.36 : x
  2. Step 2: Convert to fraction form
    40,356,008.76/55,690,769.52 = 22,020,978.36/x
  3. Step 3: Cross multiply
    40,356,008.76x = 55,690,769.52 × 22,020,978.36
  4. Step 4: Simplify right side
    40,356,008.76x = 1,226,365,230,451,667.75
  5. Step 5: Solve for x
    x = 1,226,365,230,451,667.75/40,356,008.76
  6. Step 6: Final answer
    x = 30,388,664.99

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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.