Home / 31,010,853.19-42,797,479.36-17,781,261.12

Finding the Fourth Proportional to 31,010,853.19, 42,797,479.36 and 17,781,261.12

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Solution

The fourth proportional to 31,010,853.19, 42,797,479.36 and 17,781,261.12 is: 24,539,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010,853.19 : 42,797,479.36 = 17,781,261.12 : x
  2. Step 2: Convert to fraction form
    31,010,853.19/42,797,479.36 = 17,781,261.12/x
  3. Step 3: Cross multiply
    31,010,853.19x = 42,797,479.36 × 17,781,261.12
  4. Step 4: Simplify right side
    31,010,853.19x = 760,993,155,475,076.62
  5. Step 5: Solve for x
    x = 760,993,155,475,076.62/31,010,853.19
  6. Step 6: Final answer
    x = 24,539,574.93

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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.