Home / 18,990,695.80-26,181,131.34-12,017,904.76

Finding the Fourth Proportional to 18,990,695.80, 26,181,131.34 and 12,017,904.76

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Solution

The fourth proportional to 18,990,695.80, 26,181,131.34 and 12,017,904.76 is: 16,568,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990,695.80 : 26,181,131.34 = 12,017,904.76 : x
  2. Step 2: Convert to fraction form
    18,990,695.80/26,181,131.34 = 12,017,904.76/x
  3. Step 3: Cross multiply
    18,990,695.80x = 26,181,131.34 × 12,017,904.76
  4. Step 4: Simplify right side
    18,990,695.80x = 314,642,342,953,171.19
  5. Step 5: Solve for x
    x = 314,642,342,953,171.19/18,990,695.80
  6. Step 6: Final answer
    x = 16,568,236.69

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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.