Home / 20,342,192.36-28,072,731.69-11,049,759.59

Finding the Fourth Proportional to 20,342,192.36, 28,072,731.69 and 11,049,759.59

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Solution

The fourth proportional to 20,342,192.36, 28,072,731.69 and 11,049,759.59 is: 15,248,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,192.36 : 28,072,731.69 = 11,049,759.59 : x
  2. Step 2: Convert to fraction form
    20,342,192.36/28,072,731.69 = 11,049,759.59/x
  3. Step 3: Cross multiply
    20,342,192.36x = 28,072,731.69 × 11,049,759.59
  4. Step 4: Simplify right side
    20,342,192.36x = 310,196,936,068,710.81
  5. Step 5: Solve for x
    x = 310,196,936,068,710.81/20,342,192.36
  6. Step 6: Final answer
    x = 15,248,943.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.