Home / 7,642,011.36-11,463,014.91-5,238,569.43

Finding the Fourth Proportional to 7,642,011.36, 11,463,014.91 and 5,238,569.43

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Solution

The fourth proportional to 7,642,011.36, 11,463,014.91 and 5,238,569.43 is: 7,857,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,011.36 : 11,463,014.91 = 5,238,569.43 : x
  2. Step 2: Convert to fraction form
    7,642,011.36/11,463,014.91 = 5,238,569.43/x
  3. Step 3: Cross multiply
    7,642,011.36x = 11,463,014.91 × 5,238,569.43
  4. Step 4: Simplify right side
    7,642,011.36x = 60,049,799,483,160.20
  5. Step 5: Solve for x
    x = 60,049,799,483,160.20/7,642,011.36
  6. Step 6: Final answer
    x = 7,857,852.68

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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.