Home / 28,072,327.40-42,108,491.10-8,904,584.60

Finding the Fourth Proportional to 28,072,327.40, 42,108,491.10 and 8,904,584.60

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Solution

The fourth proportional to 28,072,327.40, 42,108,491.10 and 8,904,584.60 is: 13,356,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,327.40 : 42,108,491.10 = 8,904,584.60 : x
  2. Step 2: Convert to fraction form
    28,072,327.40/42,108,491.10 = 8,904,584.60/x
  3. Step 3: Cross multiply
    28,072,327.40x = 42,108,491.10 × 8,904,584.60
  4. Step 4: Simplify right side
    28,072,327.40x = 374,958,621,378,297.06
  5. Step 5: Solve for x
    x = 374,958,621,378,297.06/28,072,327.40
  6. Step 6: Final answer
    x = 13,356,876.90

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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.