Home / 8,917,311.16-12,305,961.68-4,842,959.32

Finding the Fourth Proportional to 8,917,311.16, 12,305,961.68 and 4,842,959.32

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Solution

The fourth proportional to 8,917,311.16, 12,305,961.68 and 4,842,959.32 is: 6,683,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,311.16 : 12,305,961.68 = 4,842,959.32 : x
  2. Step 2: Convert to fraction form
    8,917,311.16/12,305,961.68 = 4,842,959.32/x
  3. Step 3: Cross multiply
    8,917,311.16x = 12,305,961.68 × 4,842,959.32
  4. Step 4: Simplify right side
    8,917,311.16x = 59,597,271,809,718.86
  5. Step 5: Solve for x
    x = 59,597,271,809,718.86/8,917,311.16
  6. Step 6: Final answer
    x = 6,683,323.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.