Home / 8,516,444.60-12,783,998.10-5,325,174.20

Finding the Fourth Proportional to 8,516,444.60, 12,783,998.10 and 5,325,174.20

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Solution

The fourth proportional to 8,516,444.60, 12,783,998.10 and 5,325,174.20 is: 7,993,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,444.60 : 12,783,998.10 = 5,325,174.20 : x
  2. Step 2: Convert to fraction form
    8,516,444.60/12,783,998.10 = 5,325,174.20/x
  3. Step 3: Cross multiply
    8,516,444.60x = 12,783,998.10 × 5,325,174.20
  4. Step 4: Simplify right side
    8,516,444.60x = 68,077,016,854,969.02
  5. Step 5: Solve for x
    x = 68,077,016,854,969.02/8,516,444.60
  6. Step 6: Final answer
    x = 7,993,595.93

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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.