Home / 7,986,766.60-11,971,985.10-3,937,025.80

Finding the Fourth Proportional to 7,986,766.60, 11,971,985.10 and 3,937,025.80

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Solution

The fourth proportional to 7,986,766.60, 11,971,985.10 and 3,937,025.80 is: 5,901,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,766.60 : 11,971,985.10 = 3,937,025.80 : x
  2. Step 2: Convert to fraction form
    7,986,766.60/11,971,985.10 = 3,937,025.80/x
  3. Step 3: Cross multiply
    7,986,766.60x = 11,971,985.10 × 3,937,025.80
  4. Step 4: Simplify right side
    7,986,766.60x = 47,134,014,215,915.58
  5. Step 5: Solve for x
    x = 47,134,014,215,915.58/7,986,766.60
  6. Step 6: Final answer
    x = 5,901,513.91

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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.