Home / 40,513,110.96-55,908,086.49-21,928,245.89

Finding the Fourth Proportional to 40,513,110.96, 55,908,086.49 and 21,928,245.89

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Solution

The fourth proportional to 40,513,110.96, 55,908,086.49 and 21,928,245.89 is: 30,260,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513,110.96 : 55,908,086.49 = 21,928,245.89 : x
  2. Step 2: Convert to fraction form
    40,513,110.96/55,908,086.49 = 21,928,245.89/x
  3. Step 3: Cross multiply
    40,513,110.96x = 55,908,086.49 × 21,928,245.89
  4. Step 4: Simplify right side
    40,513,110.96x = 1,225,966,267,512,566.75
  5. Step 5: Solve for x
    x = 1,225,966,267,512,566.75/40,513,110.96
  6. Step 6: Final answer
    x = 30,260,975.73

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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.