Home / 10,881,687.60-16,322,531.40-9,621,975.60

Finding the Fourth Proportional to 10,881,687.60, 16,322,531.40 and 9,621,975.60

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Solution

The fourth proportional to 10,881,687.60, 16,322,531.40 and 9,621,975.60 is: 14,432,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,687.60 : 16,322,531.40 = 9,621,975.60 : x
  2. Step 2: Convert to fraction form
    10,881,687.60/16,322,531.40 = 9,621,975.60/x
  3. Step 3: Cross multiply
    10,881,687.60x = 16,322,531.40 × 9,621,975.60
  4. Step 4: Simplify right side
    10,881,687.60x = 157,054,998,861,033.84
  5. Step 5: Solve for x
    x = 157,054,998,861,033.84/10,881,687.60
  6. Step 6: Final answer
    x = 14,432,963.40

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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.