Home / 7,487,357.70-11,231,036.55-2,438,668.20

Finding the Fourth Proportional to 7,487,357.70, 11,231,036.55 and 2,438,668.20

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Solution

The fourth proportional to 7,487,357.70, 11,231,036.55 and 2,438,668.20 is: 3,658,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,357.70 : 11,231,036.55 = 2,438,668.20 : x
  2. Step 2: Convert to fraction form
    7,487,357.70/11,231,036.55 = 2,438,668.20/x
  3. Step 3: Cross multiply
    7,487,357.70x = 11,231,036.55 × 2,438,668.20
  4. Step 4: Simplify right side
    7,487,357.70x = 27,388,771,687,522.71
  5. Step 5: Solve for x
    x = 27,388,771,687,522.71/7,487,357.70
  6. Step 6: Final answer
    x = 3,658,002.30

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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.