Home / 15,269,768.12-22,904,054.40-5,172,389.12

Finding the Fourth Proportional to 15,269,768.12, 22,904,054.40 and 5,172,389.12

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Solution

The fourth proportional to 15,269,768.12, 22,904,054.40 and 5,172,389.12 is: 7,758,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269,768.12 : 22,904,054.40 = 5,172,389.12 : x
  2. Step 2: Convert to fraction form
    15,269,768.12/22,904,054.40 = 5,172,389.12/x
  3. Step 3: Cross multiply
    15,269,768.12x = 22,904,054.40 × 5,172,389.12
  4. Step 4: Simplify right side
    15,269,768.12x = 118,468,681,782,448.12
  5. Step 5: Solve for x
    x = 118,468,681,782,448.12/15,269,768.12
  6. Step 6: Final answer
    x = 7,758,381.19

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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.