Home / 12,182,002.31-16,811,163.20-6,749,494.31

Finding the Fourth Proportional to 12,182,002.31, 16,811,163.20 and 6,749,494.31

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Solution

The fourth proportional to 12,182,002.31, 16,811,163.20 and 6,749,494.31 is: 9,314,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,002.31 : 16,811,163.20 = 6,749,494.31 : x
  2. Step 2: Convert to fraction form
    12,182,002.31/16,811,163.20 = 6,749,494.31/x
  3. Step 3: Cross multiply
    12,182,002.31x = 16,811,163.20 × 6,749,494.31
  4. Step 4: Simplify right side
    12,182,002.31x = 113,466,850,421,783.05
  5. Step 5: Solve for x
    x = 113,466,850,421,783.05/12,182,002.31
  6. Step 6: Final answer
    x = 9,314,302.16

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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.