Home / 12,124,861.20-18,187,240.74-4,934,690.46

Finding the Fourth Proportional to 12,124,861.20, 18,187,240.74 and 4,934,690.46

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Solution

The fourth proportional to 12,124,861.20, 18,187,240.74 and 4,934,690.46 is: 7,402,014.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,861.20 : 18,187,240.74 = 4,934,690.46 : x
  2. Step 2: Convert to fraction form
    12,124,861.20/18,187,240.74 = 4,934,690.46/x
  3. Step 3: Cross multiply
    12,124,861.20x = 18,187,240.74 × 4,934,690.46
  4. Step 4: Simplify right side
    12,124,861.20x = 89,748,403,373,401.33
  5. Step 5: Solve for x
    x = 89,748,403,373,401.33/12,124,861.20
  6. Step 6: Final answer
    x = 7,402,014.91

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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.