Home / 39,929,470.04-55,102,705.40-21,594,755.54

Finding the Fourth Proportional to 39,929,470.04, 55,102,705.40 and 21,594,755.54

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Solution

The fourth proportional to 39,929,470.04, 55,102,705.40 and 21,594,755.54 is: 29,800,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,470.04 : 55,102,705.40 = 21,594,755.54 : x
  2. Step 2: Convert to fraction form
    39,929,470.04/55,102,705.40 = 21,594,755.54/x
  3. Step 3: Cross multiply
    39,929,470.04x = 55,102,705.40 × 21,594,755.54
  4. Step 4: Simplify right side
    39,929,470.04x = 1,189,929,452,705,637.75
  5. Step 5: Solve for x
    x = 1,189,929,452,705,637.75/39,929,470.04
  6. Step 6: Final answer
    x = 29,800,782.52

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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.