Home / 15,104,199.23-20,838,327.27-9,880,189.28

Finding the Fourth Proportional to 15,104,199.23, 20,838,327.27 and 9,880,189.28

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Solution

The fourth proportional to 15,104,199.23, 20,838,327.27 and 9,880,189.28 is: 13,631,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,199.23 : 20,838,327.27 = 9,880,189.28 : x
  2. Step 2: Convert to fraction form
    15,104,199.23/20,838,327.27 = 9,880,189.28/x
  3. Step 3: Cross multiply
    15,104,199.23x = 20,838,327.27 × 9,880,189.28
  4. Step 4: Simplify right side
    15,104,199.23x = 205,886,617,706,185.66
  5. Step 5: Solve for x
    x = 205,886,617,706,185.66/15,104,199.23
  6. Step 6: Final answer
    x = 13,631,084.61

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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.