Home / 12,182,008.78-16,811,167.30-6,749,500.78

Finding the Fourth Proportional to 12,182,008.78, 16,811,167.30 and 6,749,500.78

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Solution

The fourth proportional to 12,182,008.78, 16,811,167.30 and 6,749,500.78 is: 9,314,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,008.78 : 16,811,167.30 = 6,749,500.78 : x
  2. Step 2: Convert to fraction form
    12,182,008.78/16,811,167.30 = 6,749,500.78/x
  3. Step 3: Cross multiply
    12,182,008.78x = 16,811,167.30 × 6,749,500.78
  4. Step 4: Simplify right side
    12,182,008.78x = 113,466,986,804,060.50
  5. Step 5: Solve for x
    x = 113,466,986,804,060.50/12,182,008.78
  6. Step 6: Final answer
    x = 9,314,308.41

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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.