Home / 12,168,263.10-18,251,208.45-3,192,815.10

Finding the Fourth Proportional to 12,168,263.10, 18,251,208.45 and 3,192,815.10

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Solution

The fourth proportional to 12,168,263.10, 18,251,208.45 and 3,192,815.10 is: 4,788,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,263.10 : 18,251,208.45 = 3,192,815.10 : x
  2. Step 2: Convert to fraction form
    12,168,263.10/18,251,208.45 = 3,192,815.10/x
  3. Step 3: Cross multiply
    12,168,263.10x = 18,251,208.45 × 3,192,815.10
  4. Step 4: Simplify right side
    12,168,263.10x = 58,272,733,932,407.59
  5. Step 5: Solve for x
    x = 58,272,733,932,407.59/12,168,263.10
  6. Step 6: Final answer
    x = 4,788,911.40

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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.