Home / 6,955,207.20-10,432,810.80-1,906,509.60

Finding the Fourth Proportional to 6,955,207.20, 10,432,810.80 and 1,906,509.60

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Solution

The fourth proportional to 6,955,207.20, 10,432,810.80 and 1,906,509.60 is: 2,859,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955,207.20 : 10,432,810.80 = 1,906,509.60 : x
  2. Step 2: Convert to fraction form
    6,955,207.20/10,432,810.80 = 1,906,509.60/x
  3. Step 3: Cross multiply
    6,955,207.20x = 10,432,810.80 × 1,906,509.60
  4. Step 4: Simplify right side
    6,955,207.20x = 19,890,253,945,183.68
  5. Step 5: Solve for x
    x = 19,890,253,945,183.68/6,955,207.20
  6. Step 6: Final answer
    x = 2,859,764.40

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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.