Home / 8,305,612.20-12,455,960.70-3,254,015.40

Finding the Fourth Proportional to 8,305,612.20, 12,455,960.70 and 3,254,015.40

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Solution

The fourth proportional to 8,305,612.20, 12,455,960.70 and 3,254,015.40 is: 4,880,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,612.20 : 12,455,960.70 = 3,254,015.40 : x
  2. Step 2: Convert to fraction form
    8,305,612.20/12,455,960.70 = 3,254,015.40/x
  3. Step 3: Cross multiply
    8,305,612.20x = 12,455,960.70 × 3,254,015.40
  4. Step 4: Simplify right side
    8,305,612.20x = 40,531,887,939,594.77
  5. Step 5: Solve for x
    x = 40,531,887,939,594.77/8,305,612.20
  6. Step 6: Final answer
    x = 4,880,060.25

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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.