Home / 6,432,414.48-8,880,886.08-3,987,638.28

Finding the Fourth Proportional to 6,432,414.48, 8,880,886.08 and 3,987,638.28

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Solution

The fourth proportional to 6,432,414.48, 8,880,886.08 and 3,987,638.28 is: 5,505,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432,414.48 : 8,880,886.08 = 3,987,638.28 : x
  2. Step 2: Convert to fraction form
    6,432,414.48/8,880,886.08 = 3,987,638.28/x
  3. Step 3: Cross multiply
    6,432,414.48x = 8,880,886.08 × 3,987,638.28
  4. Step 4: Simplify right side
    6,432,414.48x = 35,413,761,292,927.14
  5. Step 5: Solve for x
    x = 35,413,761,292,927.14/6,432,414.48
  6. Step 6: Final answer
    x = 5,505,516.07

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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.