Home / 40,504,338.66-55,896,157.59-21,919,479.57

Finding the Fourth Proportional to 40,504,338.66, 55,896,157.59 and 21,919,479.57

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Solution

The fourth proportional to 40,504,338.66, 55,896,157.59 and 21,919,479.57 is: 30,248,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,338.66 : 55,896,157.59 = 21,919,479.57 : x
  2. Step 2: Convert to fraction form
    40,504,338.66/55,896,157.59 = 21,919,479.57/x
  3. Step 3: Cross multiply
    40,504,338.66x = 55,896,157.59 × 21,919,479.57
  4. Step 4: Simplify right side
    40,504,338.66x = 1,225,214,684,335,505.50
  5. Step 5: Solve for x
    x = 1,225,214,684,335,505.50/40,504,338.66
  6. Step 6: Final answer
    x = 30,248,973.93

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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.