Home / 30,909,296.44-42,656,815.38-17,857,105.48

Finding the Fourth Proportional to 30,909,296.44, 42,656,815.38 and 17,857,105.48

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Solution

The fourth proportional to 30,909,296.44, 42,656,815.38 and 17,857,105.48 is: 24,643,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909,296.44 : 42,656,815.38 = 17,857,105.48 : x
  2. Step 2: Convert to fraction form
    30,909,296.44/42,656,815.38 = 17,857,105.48/x
  3. Step 3: Cross multiply
    30,909,296.44x = 42,656,815.38 × 17,857,105.48
  4. Step 4: Simplify right side
    30,909,296.44x = 761,727,251,681,546.38
  5. Step 5: Solve for x
    x = 761,727,251,681,546.38/30,909,296.44
  6. Step 6: Final answer
    x = 24,643,953.10

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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.