Home / 9,770,349.12-13,484,698.89-5,420,836.69

Finding the Fourth Proportional to 9,770,349.12, 13,484,698.89 and 5,420,836.69

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Solution

The fourth proportional to 9,770,349.12, 13,484,698.89 and 5,420,836.69 is: 7,481,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,349.12 : 13,484,698.89 = 5,420,836.69 : x
  2. Step 2: Convert to fraction form
    9,770,349.12/13,484,698.89 = 5,420,836.69/x
  3. Step 3: Cross multiply
    9,770,349.12x = 13,484,698.89 × 5,420,836.69
  4. Step 4: Simplify right side
    9,770,349.12x = 73,098,350,429,090.78
  5. Step 5: Solve for x
    x = 73,098,350,429,090.78/9,770,349.12
  6. Step 6: Final answer
    x = 7,481,651.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.