Home / 7,875,008.20-11,812,512.30-5,961,820.60

Finding the Fourth Proportional to 7,875,008.20, 11,812,512.30 and 5,961,820.60

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Solution

The fourth proportional to 7,875,008.20, 11,812,512.30 and 5,961,820.60 is: 8,942,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,008.20 : 11,812,512.30 = 5,961,820.60 : x
  2. Step 2: Convert to fraction form
    7,875,008.20/11,812,512.30 = 5,961,820.60/x
  3. Step 3: Cross multiply
    7,875,008.20x = 11,812,512.30 × 5,961,820.60
  4. Step 4: Simplify right side
    7,875,008.20x = 70,424,079,167,893.38
  5. Step 5: Solve for x
    x = 70,424,079,167,893.38/7,875,008.20
  6. Step 6: Final answer
    x = 8,942,730.90

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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.