Home / 13,132,836.23-19,711,208.46-6,989,975.11

Finding the Fourth Proportional to 13,132,836.23, 19,711,208.46 and 6,989,975.11

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Solution

The fourth proportional to 13,132,836.23, 19,711,208.46 and 6,989,975.11 is: 10,491,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,836.23 : 19,711,208.46 = 6,989,975.11 : x
  2. Step 2: Convert to fraction form
    13,132,836.23/19,711,208.46 = 6,989,975.11/x
  3. Step 3: Cross multiply
    13,132,836.23x = 19,711,208.46 × 6,989,975.11
  4. Step 4: Simplify right side
    13,132,836.23x = 137,780,856,407,390.45
  5. Step 5: Solve for x
    x = 137,780,856,407,390.45/13,132,836.23
  6. Step 6: Final answer
    x = 10,491,325.25

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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.