Home / 13,407,777.20-20,111,665.80-4,432,329.20

Finding the Fourth Proportional to 13,407,777.20, 20,111,665.80 and 4,432,329.20

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Solution

The fourth proportional to 13,407,777.20, 20,111,665.80 and 4,432,329.20 is: 6,648,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,777.20 : 20,111,665.80 = 4,432,329.20 : x
  2. Step 2: Convert to fraction form
    13,407,777.20/20,111,665.80 = 4,432,329.20/x
  3. Step 3: Cross multiply
    13,407,777.20x = 20,111,665.80 × 4,432,329.20
  4. Step 4: Simplify right side
    13,407,777.20x = 89,141,523,585,981.36
  5. Step 5: Solve for x
    x = 89,141,523,585,981.36/13,407,777.20
  6. Step 6: Final answer
    x = 6,648,493.80

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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.