Home / 7,035,648.40-10,555,200.60-1,986,893.20

Finding the Fourth Proportional to 7,035,648.40, 10,555,200.60 and 1,986,893.20

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Solution

The fourth proportional to 7,035,648.40, 10,555,200.60 and 1,986,893.20 is: 2,980,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,648.40 : 10,555,200.60 = 1,986,893.20 : x
  2. Step 2: Convert to fraction form
    7,035,648.40/10,555,200.60 = 1,986,893.20/x
  3. Step 3: Cross multiply
    7,035,648.40x = 10,555,200.60 × 1,986,893.20
  4. Step 4: Simplify right side
    7,035,648.40x = 20,972,056,296,775.92
  5. Step 5: Solve for x
    x = 20,972,056,296,775.92/7,035,648.40
  6. Step 6: Final answer
    x = 2,980,827.79

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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.