Home / 8,905,217.92-12,289,474.98-5,037,661.50

Finding the Fourth Proportional to 8,905,217.92, 12,289,474.98 and 5,037,661.50

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Solution

The fourth proportional to 8,905,217.92, 12,289,474.98 and 5,037,661.50 is: 6,952,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,217.92 : 12,289,474.98 = 5,037,661.50 : x
  2. Step 2: Convert to fraction form
    8,905,217.92/12,289,474.98 = 5,037,661.50/x
  3. Step 3: Cross multiply
    8,905,217.92x = 12,289,474.98 × 5,037,661.50
  4. Step 4: Simplify right side
    8,905,217.92x = 61,910,214,961,959.27
  5. Step 5: Solve for x
    x = 61,910,214,961,959.27/8,905,217.92
  6. Step 6: Final answer
    x = 6,952,128.01

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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.