Home / 8,173,126.72-11,278,915.14-4,502,032.12

Finding the Fourth Proportional to 8,173,126.72, 11,278,915.14 and 4,502,032.12

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Solution

The fourth proportional to 8,173,126.72, 11,278,915.14 and 4,502,032.12 is: 6,212,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,126.72 : 11,278,915.14 = 4,502,032.12 : x
  2. Step 2: Convert to fraction form
    8,173,126.72/11,278,915.14 = 4,502,032.12/x
  3. Step 3: Cross multiply
    8,173,126.72x = 11,278,915.14 × 4,502,032.12
  4. Step 4: Simplify right side
    8,173,126.72x = 50,778,038,239,034.30
  5. Step 5: Solve for x
    x = 50,778,038,239,034.30/8,173,126.72
  6. Step 6: Final answer
    x = 6,212,804.47

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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.