Home / 28,972,846.20-43,459,269.30-8,779,092.60

Finding the Fourth Proportional to 28,972,846.20, 43,459,269.30 and 8,779,092.60

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Solution

The fourth proportional to 28,972,846.20, 43,459,269.30 and 8,779,092.60 is: 13,168,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972,846.20 : 43,459,269.30 = 8,779,092.60 : x
  2. Step 2: Convert to fraction form
    28,972,846.20/43,459,269.30 = 8,779,092.60/x
  3. Step 3: Cross multiply
    28,972,846.20x = 43,459,269.30 × 8,779,092.60
  4. Step 4: Simplify right side
    28,972,846.20x = 381,532,949,513,037.12
  5. Step 5: Solve for x
    x = 381,532,949,513,037.12/28,972,846.20
  6. Step 6: Final answer
    x = 13,168,638.90

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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.