Home / 13,122,080.80-19,683,121.20-10,996,316.80

Finding the Fourth Proportional to 13,122,080.80, 19,683,121.20 and 10,996,316.80

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Solution

The fourth proportional to 13,122,080.80, 19,683,121.20 and 10,996,316.80 is: 16,494,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,080.80 : 19,683,121.20 = 10,996,316.80 : x
  2. Step 2: Convert to fraction form
    13,122,080.80/19,683,121.20 = 10,996,316.80/x
  3. Step 3: Cross multiply
    13,122,080.80x = 19,683,121.20 × 10,996,316.80
  4. Step 4: Simplify right side
    13,122,080.80x = 216,441,836,327,996.16
  5. Step 5: Solve for x
    x = 216,441,836,327,996.16/13,122,080.80
  6. Step 6: Final answer
    x = 16,494,475.20

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Similar ratio
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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.