Home / 11,386,532.78-17,066,076.72-5,230,018.88

Finding the Fourth Proportional to 11,386,532.78, 17,066,076.72 and 5,230,018.88

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Solution

The fourth proportional to 11,386,532.78, 17,066,076.72 and 5,230,018.88 is: 7,838,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386,532.78 : 17,066,076.72 = 5,230,018.88 : x
  2. Step 2: Convert to fraction form
    11,386,532.78/17,066,076.72 = 5,230,018.88/x
  3. Step 3: Cross multiply
    11,386,532.78x = 17,066,076.72 × 5,230,018.88
  4. Step 4: Simplify right side
    11,386,532.78x = 89,255,903,426,978.38
  5. Step 5: Solve for x
    x = 89,255,903,426,978.38/11,386,532.78
  6. Step 6: Final answer
    x = 7,838,725.37

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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.