Home / 15,021,250.53-20,729,331.23-8,145,730.77

Finding the Fourth Proportional to 15,021,250.53, 20,729,331.23 and 8,145,730.77

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Solution

The fourth proportional to 15,021,250.53, 20,729,331.23 and 8,145,730.77 is: 11,241,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021,250.53 : 20,729,331.23 = 8,145,730.77 : x
  2. Step 2: Convert to fraction form
    15,021,250.53/20,729,331.23 = 8,145,730.77/x
  3. Step 3: Cross multiply
    15,021,250.53x = 20,729,331.23 × 8,145,730.77
  4. Step 4: Simplify right side
    15,021,250.53x = 168,855,551,241,732.94
  5. Step 5: Solve for x
    x = 168,855,551,241,732.94/15,021,250.53
  6. Step 6: Final answer
    x = 11,241,111.44

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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.