Home / 21,870,058.20-32,805,087.30-20,807,176.20

Finding the Fourth Proportional to 21,870,058.20, 32,805,087.30 and 20,807,176.20

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Solution

The fourth proportional to 21,870,058.20, 32,805,087.30 and 20,807,176.20 is: 31,210,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,058.20 : 32,805,087.30 = 20,807,176.20 : x
  2. Step 2: Convert to fraction form
    21,870,058.20/32,805,087.30 = 20,807,176.20/x
  3. Step 3: Cross multiply
    21,870,058.20x = 32,805,087.30 × 20,807,176.20
  4. Step 4: Simplify right side
    21,870,058.20x = 682,581,231,707,482.25
  5. Step 5: Solve for x
    x = 682,581,231,707,482.25/21,870,058.20
  6. Step 6: Final answer
    x = 31,210,764.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.