Home / 13,518,000.50-20,278,247.54-4,420,144.89

Finding the Fourth Proportional to 13,518,000.50, 20,278,247.54 and 4,420,144.89

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Solution

The fourth proportional to 13,518,000.50, 20,278,247.54 and 4,420,144.89 is: 6,630,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,000.50 : 20,278,247.54 = 4,420,144.89 : x
  2. Step 2: Convert to fraction form
    13,518,000.50/20,278,247.54 = 4,420,144.89/x
  3. Step 3: Cross multiply
    13,518,000.50x = 20,278,247.54 × 4,420,144.89
  4. Step 4: Simplify right side
    13,518,000.50x = 89,632,792,219,985.34
  5. Step 5: Solve for x
    x = 89,632,792,219,985.34/13,518,000.50
  6. Step 6: Final answer
    x = 6,630,625.01

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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.