Home / 12,837,815.36-17,717,999.36-7,944,612.64

Finding the Fourth Proportional to 12,837,815.36, 17,717,999.36 and 7,944,612.64

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Solution

The fourth proportional to 12,837,815.36, 17,717,999.36 and 7,944,612.64 is: 10,964,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,815.36 : 17,717,999.36 = 7,944,612.64 : x
  2. Step 2: Convert to fraction form
    12,837,815.36/17,717,999.36 = 7,944,612.64/x
  3. Step 3: Cross multiply
    12,837,815.36x = 17,717,999.36 × 7,944,612.64
  4. Step 4: Simplify right side
    12,837,815.36x = 140,762,641,670,967.91
  5. Step 5: Solve for x
    x = 140,762,641,670,967.91/12,837,815.36
  6. Step 6: Final answer
    x = 10,964,688.13

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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.