Home / 7,819,772.17-10,791,181.40-4,382,080.33

Finding the Fourth Proportional to 7,819,772.17, 10,791,181.40 and 4,382,080.33

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Solution

The fourth proportional to 7,819,772.17, 10,791,181.40 and 4,382,080.33 is: 6,047,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,772.17 : 10,791,181.40 = 4,382,080.33 : x
  2. Step 2: Convert to fraction form
    7,819,772.17/10,791,181.40 = 4,382,080.33/x
  3. Step 3: Cross multiply
    7,819,772.17x = 10,791,181.40 × 4,382,080.33
  4. Step 4: Simplify right side
    7,819,772.17x = 47,287,823,770,580.78
  5. Step 5: Solve for x
    x = 47,287,823,770,580.78/7,819,772.17
  6. Step 6: Final answer
    x = 6,047,212.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.