Home / 8,905,218.92-12,289,476.36-5,037,662.50

Finding the Fourth Proportional to 8,905,218.92, 12,289,476.36 and 5,037,662.50

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Solution

The fourth proportional to 8,905,218.92, 12,289,476.36 and 5,037,662.50 is: 6,952,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,218.92 : 12,289,476.36 = 5,037,662.50 : x
  2. Step 2: Convert to fraction form
    8,905,218.92/12,289,476.36 = 5,037,662.50/x
  3. Step 3: Cross multiply
    8,905,218.92x = 12,289,476.36 × 5,037,662.50
  4. Step 4: Simplify right side
    8,905,218.92x = 61,910,234,203,408.50
  5. Step 5: Solve for x
    x = 61,910,234,203,408.50/8,905,218.92
  6. Step 6: Final answer
    x = 6,952,129.39

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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.