Home / 8,190,000.60-12,285,000.90-2,509,486.80

Finding the Fourth Proportional to 8,190,000.60, 12,285,000.90 and 2,509,486.80

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Solution

The fourth proportional to 8,190,000.60, 12,285,000.90 and 2,509,486.80 is: 3,764,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,000.60 : 12,285,000.90 = 2,509,486.80 : x
  2. Step 2: Convert to fraction form
    8,190,000.60/12,285,000.90 = 2,509,486.80/x
  3. Step 3: Cross multiply
    8,190,000.60x = 12,285,000.90 × 2,509,486.80
  4. Step 4: Simplify right side
    8,190,000.60x = 30,829,047,596,538.12
  5. Step 5: Solve for x
    x = 30,829,047,596,538.12/8,190,000.60
  6. Step 6: Final answer
    x = 3,764,230.20

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1.5x scale

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.