Home / 7,658,975.40-11,488,463.10-3,399,574.20

Finding the Fourth Proportional to 7,658,975.40, 11,488,463.10 and 3,399,574.20

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Solution

The fourth proportional to 7,658,975.40, 11,488,463.10 and 3,399,574.20 is: 5,099,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,975.40 : 11,488,463.10 = 3,399,574.20 : x
  2. Step 2: Convert to fraction form
    7,658,975.40/11,488,463.10 = 3,399,574.20/x
  3. Step 3: Cross multiply
    7,658,975.40x = 11,488,463.10 × 3,399,574.20
  4. Step 4: Simplify right side
    7,658,975.40x = 39,055,882,752,412.02
  5. Step 5: Solve for x
    x = 39,055,882,752,412.02/7,658,975.40
  6. Step 6: Final answer
    x = 5,099,361.30

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Double scale
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Similar ratio
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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.