Home / 12,496,686.74-17,247,023.14-6,990,367.48

Finding the Fourth Proportional to 12,496,686.74, 17,247,023.14 and 6,990,367.48

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Solution

The fourth proportional to 12,496,686.74, 17,247,023.14 and 6,990,367.48 is: 9,647,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496,686.74 : 17,247,023.14 = 6,990,367.48 : x
  2. Step 2: Convert to fraction form
    12,496,686.74/17,247,023.14 = 6,990,367.48/x
  3. Step 3: Cross multiply
    12,496,686.74x = 17,247,023.14 × 6,990,367.48
  4. Step 4: Simplify right side
    12,496,686.74x = 120,563,029,684,663.50
  5. Step 5: Solve for x
    x = 120,563,029,684,663.50/12,496,686.74
  6. Step 6: Final answer
    x = 9,647,599.58

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1.5x scale

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.