Home / 20,367,345.82-30,512,574.16-12,033,281.66

Finding the Fourth Proportional to 20,367,345.82, 30,512,574.16 and 12,033,281.66

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Solution

The fourth proportional to 20,367,345.82, 30,512,574.16 and 12,033,281.66 is: 18,027,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367,345.82 : 30,512,574.16 = 12,033,281.66 : x
  2. Step 2: Convert to fraction form
    20,367,345.82/30,512,574.16 = 12,033,281.66/x
  3. Step 3: Cross multiply
    20,367,345.82x = 30,512,574.16 × 12,033,281.66
  4. Step 4: Simplify right side
    20,367,345.82x = 367,166,399,038,917.94
  5. Step 5: Solve for x
    x = 367,166,399,038,917.94/20,367,345.82
  6. Step 6: Final answer
    x = 18,027,208.96

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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.