Home / 28,848,821.76-39,811,071.90-15,617,702.76

Finding the Fourth Proportional to 28,848,821.76, 39,811,071.90 and 15,617,702.76

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Solution

The fourth proportional to 28,848,821.76, 39,811,071.90 and 15,617,702.76 is: 21,552,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848,821.76 : 39,811,071.90 = 15,617,702.76 : x
  2. Step 2: Convert to fraction form
    28,848,821.76/39,811,071.90 = 15,617,702.76/x
  3. Step 3: Cross multiply
    28,848,821.76x = 39,811,071.90 × 15,617,702.76
  4. Step 4: Simplify right side
    28,848,821.76x = 621,757,487,491,188.38
  5. Step 5: Solve for x
    x = 621,757,487,491,188.38/28,848,821.76
  6. Step 6: Final answer
    x = 21,552,266.25

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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.