Home / 10,257,328.80-15,385,993.20-9,784,936.80

Finding the Fourth Proportional to 10,257,328.80, 15,385,993.20 and 9,784,936.80

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Solution

The fourth proportional to 10,257,328.80, 15,385,993.20 and 9,784,936.80 is: 14,677,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,328.80 : 15,385,993.20 = 9,784,936.80 : x
  2. Step 2: Convert to fraction form
    10,257,328.80/15,385,993.20 = 9,784,936.80/x
  3. Step 3: Cross multiply
    10,257,328.80x = 15,385,993.20 × 9,784,936.80
  4. Step 4: Simplify right side
    10,257,328.80x = 150,550,971,067,229.75
  5. Step 5: Solve for x
    x = 150,550,971,067,229.75/10,257,328.80
  6. Step 6: Final answer
    x = 14,677,405.20

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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.