Home / 9,993,678.23-13,791,319.97-5,409,999.61

Finding the Fourth Proportional to 9,993,678.23, 13,791,319.97 and 5,409,999.61

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Solution

The fourth proportional to 9,993,678.23, 13,791,319.97 and 5,409,999.61 is: 7,465,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993,678.23 : 13,791,319.97 = 5,409,999.61 : x
  2. Step 2: Convert to fraction form
    9,993,678.23/13,791,319.97 = 5,409,999.61/x
  3. Step 3: Cross multiply
    9,993,678.23x = 13,791,319.97 × 5,409,999.61
  4. Step 4: Simplify right side
    9,993,678.23x = 74,611,035,659,085.22
  5. Step 5: Solve for x
    x = 74,611,035,659,085.22/9,993,678.23
  6. Step 6: Final answer
    x = 7,465,823.29

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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.