Home / 53,240,478-73,471,859.64-28,794,192

Finding the Fourth Proportional to 53,240,478, 73,471,859.64 and 28,794,192

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Solution

The fourth proportional to 53,240,478, 73,471,859.64 and 28,794,192 is: 39,735,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240,478 : 73,471,859.64 = 28,794,192 : x
  2. Step 2: Convert to fraction form
    53,240,478/73,471,859.64 = 28,794,192/x
  3. Step 3: Cross multiply
    53,240,478x = 73,471,859.64 × 28,794,192
  4. Step 4: Simplify right side
    53,240,478x = 2,115,562,833,071,211
  5. Step 5: Solve for x
    x = 2,115,562,833,071,211/53,240,478
  6. Step 6: Final answer
    x = 39,735,984.96

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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.