Home / 9,969,217.09-14,952,496.78-2,780,148.96

Finding the Fourth Proportional to 9,969,217.09, 14,952,496.78 and 2,780,148.96

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Solution

The fourth proportional to 9,969,217.09, 14,952,496.78 and 2,780,148.96 is: 4,169,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,217.09 : 14,952,496.78 = 2,780,148.96 : x
  2. Step 2: Convert to fraction form
    9,969,217.09/14,952,496.78 = 2,780,148.96/x
  3. Step 3: Cross multiply
    9,969,217.09x = 14,952,496.78 × 2,780,148.96
  4. Step 4: Simplify right side
    9,969,217.09x = 41,570,168,372,320.34
  5. Step 5: Solve for x
    x = 41,570,168,372,320.34/9,969,217.09
  6. Step 6: Final answer
    x = 4,169,852.86

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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.