Home / 8,148,837.90-11,244,843.72-4,478,009.43

Finding the Fourth Proportional to 8,148,837.90, 11,244,843.72 and 4,478,009.43

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Solution

The fourth proportional to 8,148,837.90, 11,244,843.72 and 4,478,009.43 is: 6,179,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,837.90 : 11,244,843.72 = 4,478,009.43 : x
  2. Step 2: Convert to fraction form
    8,148,837.90/11,244,843.72 = 4,478,009.43/x
  3. Step 3: Cross multiply
    8,148,837.90x = 11,244,843.72 × 4,478,009.43
  4. Step 4: Simplify right side
    8,148,837.90x = 50,354,516,217,036.28
  5. Step 5: Solve for x
    x = 50,354,516,217,036.28/8,148,837.90
  6. Step 6: Final answer
    x = 6,179,349.35

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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.