Home / 21,660,019.20-32,490,028.80-8,889,688.80

Finding the Fourth Proportional to 21,660,019.20, 32,490,028.80 and 8,889,688.80

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Solution

The fourth proportional to 21,660,019.20, 32,490,028.80 and 8,889,688.80 is: 13,334,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,019.20 : 32,490,028.80 = 8,889,688.80 : x
  2. Step 2: Convert to fraction form
    21,660,019.20/32,490,028.80 = 8,889,688.80/x
  3. Step 3: Cross multiply
    21,660,019.20x = 32,490,028.80 × 8,889,688.80
  4. Step 4: Simplify right side
    21,660,019.20x = 288,826,245,135,037.50
  5. Step 5: Solve for x
    x = 288,826,245,135,037.50/21,660,019.20
  6. Step 6: Final answer
    x = 13,334,533.20

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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.