Home / 10,563,538.30-15,824,676.98-7,280,311.39

Finding the Fourth Proportional to 10,563,538.30, 15,824,676.98 and 7,280,311.39

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Solution

The fourth proportional to 10,563,538.30, 15,824,676.98 and 7,280,311.39 is: 10,906,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,538.30 : 15,824,676.98 = 7,280,311.39 : x
  2. Step 2: Convert to fraction form
    10,563,538.30/15,824,676.98 = 7,280,311.39/x
  3. Step 3: Cross multiply
    10,563,538.30x = 15,824,676.98 × 7,280,311.39
  4. Step 4: Simplify right side
    10,563,538.30x = 115,208,576,039,203.89
  5. Step 5: Solve for x
    x = 115,208,576,039,203.89/10,563,538.30
  6. Step 6: Final answer
    x = 10,906,248.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.