Home / 7,164,567-9,886,960.98-3,901,421.88

Finding the Fourth Proportional to 7,164,567, 9,886,960.98 and 3,901,421.88

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Solution

The fourth proportional to 7,164,567, 9,886,960.98 and 3,901,421.88 is: 5,383,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,567 : 9,886,960.98 = 3,901,421.88 : x
  2. Step 2: Convert to fraction form
    7,164,567/9,886,960.98 = 3,901,421.88/x
  3. Step 3: Cross multiply
    7,164,567x = 9,886,960.98 × 3,901,421.88
  4. Step 4: Simplify right side
    7,164,567x = 38,573,205,894,078.24
  5. Step 5: Solve for x
    x = 38,573,205,894,078.24/7,164,567
  6. Step 6: Final answer
    x = 5,383,885.15

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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.