Home / 9,931,511.20-14,895,884.40-3,200,605.60

Finding the Fourth Proportional to 9,931,511.20, 14,895,884.40 and 3,200,605.60

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Solution

The fourth proportional to 9,931,511.20, 14,895,884.40 and 3,200,605.60 is: 4,800,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931,511.20 : 14,895,884.40 = 3,200,605.60 : x
  2. Step 2: Convert to fraction form
    9,931,511.20/14,895,884.40 = 3,200,605.60/x
  3. Step 3: Cross multiply
    9,931,511.20x = 14,895,884.40 × 3,200,605.60
  4. Step 4: Simplify right side
    9,931,511.20x = 47,675,851,027,592.64
  5. Step 5: Solve for x
    x = 47,675,851,027,592.64/9,931,511.20
  6. Step 6: Final answer
    x = 4,800,462.90

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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.