Home / 13,169,192.32-19,852,494.28-12,291,330.52

Finding the Fourth Proportional to 13,169,192.32, 19,852,494.28 and 12,291,330.52

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Solution

The fourth proportional to 13,169,192.32, 19,852,494.28 and 12,291,330.52 is: 18,529,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,192.32 : 19,852,494.28 = 12,291,330.52 : x
  2. Step 2: Convert to fraction form
    13,169,192.32/19,852,494.28 = 12,291,330.52/x
  3. Step 3: Cross multiply
    13,169,192.32x = 19,852,494.28 × 12,291,330.52
  4. Step 4: Simplify right side
    13,169,192.32x = 244,013,568,841,889.44
  5. Step 5: Solve for x
    x = 244,013,568,841,889.44/13,169,192.32
  6. Step 6: Final answer
    x = 18,529,121.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.