Home / 12,101,655.12-16,700,284.41-6,669,147.12

Finding the Fourth Proportional to 12,101,655.12, 16,700,284.41 and 6,669,147.12

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Solution

The fourth proportional to 12,101,655.12, 16,700,284.41 and 6,669,147.12 is: 9,203,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,655.12 : 16,700,284.41 = 6,669,147.12 : x
  2. Step 2: Convert to fraction form
    12,101,655.12/16,700,284.41 = 6,669,147.12/x
  3. Step 3: Cross multiply
    12,101,655.12x = 16,700,284.41 × 6,669,147.12
  4. Step 4: Simplify right side
    12,101,655.12x = 111,376,653,676,132.41
  5. Step 5: Solve for x
    x = 111,376,653,676,132.41/12,101,655.12
  6. Step 6: Final answer
    x = 9,203,423.22

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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.