Home / 8,917,315.16-12,305,967.20-4,842,963.32

Finding the Fourth Proportional to 8,917,315.16, 12,305,967.20 and 4,842,963.32

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Solution

The fourth proportional to 8,917,315.16, 12,305,967.20 and 4,842,963.32 is: 6,683,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,315.16 : 12,305,967.20 = 4,842,963.32 : x
  2. Step 2: Convert to fraction form
    8,917,315.16/12,305,967.20 = 4,842,963.32/x
  3. Step 3: Cross multiply
    8,917,315.16x = 12,305,967.20 × 4,842,963.32
  4. Step 4: Simplify right side
    8,917,315.16x = 59,597,347,766,723.10
  5. Step 5: Solve for x
    x = 59,597,347,766,723.10/8,917,315.16
  6. Step 6: Final answer
    x = 6,683,328.64

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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.