Home / 10,369,621.20-15,554,431.80-9,324,526.80

Finding the Fourth Proportional to 10,369,621.20, 15,554,431.80 and 9,324,526.80

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Solution

The fourth proportional to 10,369,621.20, 15,554,431.80 and 9,324,526.80 is: 13,986,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,621.20 : 15,554,431.80 = 9,324,526.80 : x
  2. Step 2: Convert to fraction form
    10,369,621.20/15,554,431.80 = 9,324,526.80/x
  3. Step 3: Cross multiply
    10,369,621.20x = 15,554,431.80 × 9,324,526.80
  4. Step 4: Simplify right side
    10,369,621.20x = 145,037,716,177,872.25
  5. Step 5: Solve for x
    x = 145,037,716,177,872.25/10,369,621.20
  6. Step 6: Final answer
    x = 13,986,790.20

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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.