Home / 11,952,990.90-17,836,260.30-10,664,742.60

Finding the Fourth Proportional to 11,952,990.90, 17,836,260.30 and 10,664,742.60

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Solution

The fourth proportional to 11,952,990.90, 17,836,260.30 and 10,664,742.60 is: 15,913,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952,990.90 : 17,836,260.30 = 10,664,742.60 : x
  2. Step 2: Convert to fraction form
    11,952,990.90/17,836,260.30 = 10,664,742.60/x
  3. Step 3: Cross multiply
    11,952,990.90x = 17,836,260.30 × 10,664,742.60
  4. Step 4: Simplify right side
    11,952,990.90x = 190,219,125,046,098.78
  5. Step 5: Solve for x
    x = 190,219,125,046,098.78/11,952,990.90
  6. Step 6: Final answer
    x = 15,913,935.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.