Home / 12,138,946.31-16,751,550.40-6,632,202.92

Finding the Fourth Proportional to 12,138,946.31, 16,751,550.40 and 6,632,202.92

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Solution

The fourth proportional to 12,138,946.31, 16,751,550.40 and 6,632,202.92 is: 9,152,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,946.31 : 16,751,550.40 = 6,632,202.92 : x
  2. Step 2: Convert to fraction form
    12,138,946.31/16,751,550.40 = 6,632,202.92/x
  3. Step 3: Cross multiply
    12,138,946.31x = 16,751,550.40 × 6,632,202.92
  4. Step 4: Simplify right side
    12,138,946.31x = 111,099,681,377,068.92
  5. Step 5: Solve for x
    x = 111,099,681,377,068.92/12,138,946.31
  6. Step 6: Final answer
    x = 9,152,333.20

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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.