Home / 10,816,172.80-16,224,259.20-6,561,145.60

Finding the Fourth Proportional to 10,816,172.80, 16,224,259.20 and 6,561,145.60

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Solution

The fourth proportional to 10,816,172.80, 16,224,259.20 and 6,561,145.60 is: 9,841,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816,172.80 : 16,224,259.20 = 6,561,145.60 : x
  2. Step 2: Convert to fraction form
    10,816,172.80/16,224,259.20 = 6,561,145.60/x
  3. Step 3: Cross multiply
    10,816,172.80x = 16,224,259.20 × 6,561,145.60
  4. Step 4: Simplify right side
    10,816,172.80x = 106,449,726,863,339.52
  5. Step 5: Solve for x
    x = 106,449,726,863,339.52/10,816,172.80
  6. Step 6: Final answer
    x = 9,841,718.40

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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.