Home / 31,022,268.38-42,809,349.40-17,781,953.26

Finding the Fourth Proportional to 31,022,268.38, 42,809,349.40 and 17,781,953.26

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Solution

The fourth proportional to 31,022,268.38, 42,809,349.40 and 17,781,953.26 is: 24,538,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,022,268.38 : 42,809,349.40 = 17,781,953.26 : x
  2. Step 2: Convert to fraction form
    31,022,268.38/42,809,349.40 = 17,781,953.26/x
  3. Step 3: Cross multiply
    31,022,268.38x = 42,809,349.40 × 17,781,953.26
  4. Step 4: Simplify right side
    31,022,268.38x = 761,233,850,121,809.12
  5. Step 5: Solve for x
    x = 761,233,850,121,809.12/31,022,268.38
  6. Step 6: Final answer
    x = 24,538,303.93

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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.