Home / 15,104,198.23-20,838,325.89-9,880,188.28

Finding the Fourth Proportional to 15,104,198.23, 20,838,325.89 and 9,880,188.28

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Solution

The fourth proportional to 15,104,198.23, 20,838,325.89 and 9,880,188.28 is: 13,631,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,198.23 : 20,838,325.89 = 9,880,188.28 : x
  2. Step 2: Convert to fraction form
    15,104,198.23/20,838,325.89 = 9,880,188.28/x
  3. Step 3: Cross multiply
    15,104,198.23x = 20,838,325.89 × 9,880,188.28
  4. Step 4: Simplify right side
    15,104,198.23x = 205,886,583,233,198.56
  5. Step 5: Solve for x
    x = 205,886,583,233,198.56/15,104,198.23
  6. Step 6: Final answer
    x = 13,631,083.23

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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.