Home / 15,675,574.75-21,631,098.90-8,798,728.21

Finding the Fourth Proportional to 15,675,574.75, 21,631,098.90 and 8,798,728.21

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Solution

The fourth proportional to 15,675,574.75, 21,631,098.90 and 8,798,728.21 is: 12,141,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,574.75 : 21,631,098.90 = 8,798,728.21 : x
  2. Step 2: Convert to fraction form
    15,675,574.75/21,631,098.90 = 8,798,728.21/x
  3. Step 3: Cross multiply
    15,675,574.75x = 21,631,098.90 × 8,798,728.21
  4. Step 4: Simplify right side
    15,675,574.75x = 190,326,160,083,647.44
  5. Step 5: Solve for x
    x = 190,326,160,083,647.44/15,675,574.75
  6. Step 6: Final answer
    x = 12,141,574.59

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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.