Home / 12,387,525.92-17,094,208.12-6,881,257.72

Finding the Fourth Proportional to 12,387,525.92, 17,094,208.12 and 6,881,257.72

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Solution

The fourth proportional to 12,387,525.92, 17,094,208.12 and 6,881,257.72 is: 9,495,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,525.92 : 17,094,208.12 = 6,881,257.72 : x
  2. Step 2: Convert to fraction form
    12,387,525.92/17,094,208.12 = 6,881,257.72/x
  3. Step 3: Cross multiply
    12,387,525.92x = 17,094,208.12 × 6,881,257.72
  4. Step 4: Simplify right side
    12,387,525.92x = 117,629,651,593,036.69
  5. Step 5: Solve for x
    x = 117,629,651,593,036.69/12,387,525.92
  6. Step 6: Final answer
    x = 9,495,814.77

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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.