Home / 12,003,035.96-18,005,327.61-4,220,995.59

Finding the Fourth Proportional to 12,003,035.96, 18,005,327.61 and 4,220,995.59

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Solution

The fourth proportional to 12,003,035.96, 18,005,327.61 and 4,220,995.59 is: 6,331,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,035.96 : 18,005,327.61 = 4,220,995.59 : x
  2. Step 2: Convert to fraction form
    12,003,035.96/18,005,327.61 = 4,220,995.59/x
  3. Step 3: Cross multiply
    12,003,035.96x = 18,005,327.61 × 4,220,995.59
  4. Step 4: Simplify right side
    12,003,035.96x = 76,000,408,438,315.23
  5. Step 5: Solve for x
    x = 76,000,408,438,315.23/12,003,035.96
  6. Step 6: Final answer
    x = 6,331,765.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.