Home / 7,164,566-9,886,959.60-3,901,420.88

Finding the Fourth Proportional to 7,164,566, 9,886,959.60 and 3,901,420.88

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Solution

The fourth proportional to 7,164,566, 9,886,959.60 and 3,901,420.88 is: 5,383,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,566 : 9,886,959.60 = 3,901,420.88 : x
  2. Step 2: Convert to fraction form
    7,164,566/9,886,959.60 = 3,901,420.88/x
  3. Step 3: Cross multiply
    7,164,566x = 9,886,959.60 × 3,901,420.88
  4. Step 4: Simplify right side
    7,164,566x = 38,573,190,623,156.45
  5. Step 5: Solve for x
    x = 38,573,190,623,156.45/7,164,566
  6. Step 6: Final answer
    x = 5,383,883.77

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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.