Home / 12,695,519.12-17,525,179.08-8,571,136.40

Finding the Fourth Proportional to 12,695,519.12, 17,525,179.08 and 8,571,136.40

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Solution

The fourth proportional to 12,695,519.12, 17,525,179.08 and 8,571,136.40 is: 11,831,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,519.12 : 17,525,179.08 = 8,571,136.40 : x
  2. Step 2: Convert to fraction form
    12,695,519.12/17,525,179.08 = 8,571,136.40/x
  3. Step 3: Cross multiply
    12,695,519.12x = 17,525,179.08 × 8,571,136.40
  4. Step 4: Simplify right side
    12,695,519.12x = 150,210,700,329,106.50
  5. Step 5: Solve for x
    x = 150,210,700,329,106.50/12,695,519.12
  6. Step 6: Final answer
    x = 11,831,788.75

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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.