Home / 21,926,406.58-30,257,758.92-12,633,995.86

Finding the Fourth Proportional to 21,926,406.58, 30,257,758.92 and 12,633,995.86

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Solution

The fourth proportional to 21,926,406.58, 30,257,758.92 and 12,633,995.86 is: 17,434,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926,406.58 : 30,257,758.92 = 12,633,995.86 : x
  2. Step 2: Convert to fraction form
    21,926,406.58/30,257,758.92 = 12,633,995.86/x
  3. Step 3: Cross multiply
    21,926,406.58x = 30,257,758.92 × 12,633,995.86
  4. Step 4: Simplify right side
    21,926,406.58x = 382,276,400,928,158.06
  5. Step 5: Solve for x
    x = 382,276,400,928,158.06/21,926,406.58
  6. Step 6: Final answer
    x = 17,434,521.23

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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.