Home / 8,989,661.40-13,486,241.70-2,600,122.20

Finding the Fourth Proportional to 8,989,661.40, 13,486,241.70 and 2,600,122.20

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Solution

The fourth proportional to 8,989,661.40, 13,486,241.70 and 2,600,122.20 is: 3,900,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,661.40 : 13,486,241.70 = 2,600,122.20 : x
  2. Step 2: Convert to fraction form
    8,989,661.40/13,486,241.70 = 2,600,122.20/x
  3. Step 3: Cross multiply
    8,989,661.40x = 13,486,241.70 × 2,600,122.20
  4. Step 4: Simplify right side
    8,989,661.40x = 35,065,876,438,735.74
  5. Step 5: Solve for x
    x = 35,065,876,438,735.74/8,989,661.40
  6. Step 6: Final answer
    x = 3,900,689.35

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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.