Home / 10,656,022.80-15,984,034.20-10,404,080.40

Finding the Fourth Proportional to 10,656,022.80, 15,984,034.20 and 10,404,080.40

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Solution

The fourth proportional to 10,656,022.80, 15,984,034.20 and 10,404,080.40 is: 15,606,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,022.80 : 15,984,034.20 = 10,404,080.40 : x
  2. Step 2: Convert to fraction form
    10,656,022.80/15,984,034.20 = 10,404,080.40/x
  3. Step 3: Cross multiply
    10,656,022.80x = 15,984,034.20 × 10,404,080.40
  4. Step 4: Simplify right side
    10,656,022.80x = 166,299,176,933,149.69
  5. Step 5: Solve for x
    x = 166,299,176,933,149.69/10,656,022.80
  6. Step 6: Final answer
    x = 15,606,120.60

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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.