Home / 10,871,379.40-16,309,037.40-5,466,427.60

Finding the Fourth Proportional to 10,871,379.40, 16,309,037.40 and 5,466,427.60

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Solution

The fourth proportional to 10,871,379.40, 16,309,037.40 and 5,466,427.60 is: 8,200,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,379.40 : 16,309,037.40 = 5,466,427.60 : x
  2. Step 2: Convert to fraction form
    10,871,379.40/16,309,037.40 = 5,466,427.60/x
  3. Step 3: Cross multiply
    10,871,379.40x = 16,309,037.40 × 5,466,427.60
  4. Step 4: Simplify right side
    10,871,379.40x = 89,152,172,172,792.23
  5. Step 5: Solve for x
    x = 89,152,172,172,792.23/10,871,379.40
  6. Step 6: Final answer
    x = 8,200,631.12

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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.