Home / 21,870,107.90-32,805,161.85-21,551,243.30

Finding the Fourth Proportional to 21,870,107.90, 32,805,161.85 and 21,551,243.30

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Solution

The fourth proportional to 21,870,107.90, 32,805,161.85 and 21,551,243.30 is: 32,326,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,107.90 : 32,805,161.85 = 21,551,243.30 : x
  2. Step 2: Convert to fraction form
    21,870,107.90/32,805,161.85 = 21,551,243.30/x
  3. Step 3: Cross multiply
    21,870,107.90x = 32,805,161.85 × 21,551,243.30
  4. Step 4: Simplify right side
    21,870,107.90x = 706,992,024,525,228.12
  5. Step 5: Solve for x
    x = 706,992,024,525,228.12/21,870,107.90
  6. Step 6: Final answer
    x = 32,326,864.95

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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.