Home / 40,504,411.56-55,895,884.26-21,919,538.28

Finding the Fourth Proportional to 40,504,411.56, 55,895,884.26 and 21,919,538.28

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Solution

The fourth proportional to 40,504,411.56, 55,895,884.26 and 21,919,538.28 is: 30,248,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,411.56 : 55,895,884.26 = 21,919,538.28 : x
  2. Step 2: Convert to fraction form
    40,504,411.56/55,895,884.26 = 21,919,538.28/x
  3. Step 3: Cross multiply
    40,504,411.56x = 55,895,884.26 × 21,919,538.28
  4. Step 4: Simplify right side
    40,504,411.56x = 1,225,211,974,731,519.50
  5. Step 5: Solve for x
    x = 1,225,211,974,731,519.50/40,504,411.56
  6. Step 6: Final answer
    x = 30,248,852.60

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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.