Home / 12,528,886.21-17,289,900.21-6,947,525.92

Finding the Fourth Proportional to 12,528,886.21, 17,289,900.21 and 6,947,525.92

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Solution

The fourth proportional to 12,528,886.21, 17,289,900.21 and 6,947,525.92 is: 9,587,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,886.21 : 17,289,900.21 = 6,947,525.92 : x
  2. Step 2: Convert to fraction form
    12,528,886.21/17,289,900.21 = 6,947,525.92/x
  3. Step 3: Cross multiply
    12,528,886.21x = 17,289,900.21 × 6,947,525.92
  4. Step 4: Simplify right side
    12,528,886.21x = 120,122,029,790,727.80
  5. Step 5: Solve for x
    x = 120,122,029,790,727.80/12,528,886.21
  6. Step 6: Final answer
    x = 9,587,606.42

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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.