Home / 22,621,891.19-31,217,290.56-12,832,125.21

Finding the Fourth Proportional to 22,621,891.19, 31,217,290.56 and 12,832,125.21

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Solution

The fourth proportional to 22,621,891.19, 31,217,290.56 and 12,832,125.21 is: 17,707,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621,891.19 : 31,217,290.56 = 12,832,125.21 : x
  2. Step 2: Convert to fraction form
    22,621,891.19/31,217,290.56 = 12,832,125.21/x
  3. Step 3: Cross multiply
    22,621,891.19x = 31,217,290.56 × 12,832,125.21
  4. Step 4: Simplify right side
    22,621,891.19x = 400,584,181,182,871
  5. Step 5: Solve for x
    x = 400,584,181,182,871/22,621,891.19
  6. Step 6: Final answer
    x = 17,707,811.34

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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.