Home / 10,787,245.70-16,180,868.55-9,863,456.90

Finding the Fourth Proportional to 10,787,245.70, 16,180,868.55 and 9,863,456.90

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Solution

The fourth proportional to 10,787,245.70, 16,180,868.55 and 9,863,456.90 is: 14,795,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,245.70 : 16,180,868.55 = 9,863,456.90 : x
  2. Step 2: Convert to fraction form
    10,787,245.70/16,180,868.55 = 9,863,456.90/x
  3. Step 3: Cross multiply
    10,787,245.70x = 16,180,868.55 × 9,863,456.90
  4. Step 4: Simplify right side
    10,787,245.70x = 159,599,299,547,490.50
  5. Step 5: Solve for x
    x = 159,599,299,547,490.50/10,787,245.70
  6. Step 6: Final answer
    x = 14,795,185.35

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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.