Home / 21,102,362.26-31,637,007.34-8,332,425.52

Finding the Fourth Proportional to 21,102,362.26, 31,637,007.34 and 8,332,425.52

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Solution

The fourth proportional to 21,102,362.26, 31,637,007.34 and 8,332,425.52 is: 12,492,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,362.26 : 31,637,007.34 = 8,332,425.52 : x
  2. Step 2: Convert to fraction form
    21,102,362.26/31,637,007.34 = 8,332,425.52/x
  3. Step 3: Cross multiply
    21,102,362.26x = 31,637,007.34 × 8,332,425.52
  4. Step 4: Simplify right side
    21,102,362.26x = 263,613,007,236,319.72
  5. Step 5: Solve for x
    x = 263,613,007,236,319.72/21,102,362.26
  6. Step 6: Final answer
    x = 12,492,108.89

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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.