Home / 38,739,470.62-53,462,887.31-21,335,811.43

Finding the Fourth Proportional to 38,739,470.62, 53,462,887.31 and 21,335,811.43

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Solution

The fourth proportional to 38,739,470.62, 53,462,887.31 and 21,335,811.43 is: 29,444,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,470.62 : 53,462,887.31 = 21,335,811.43 : x
  2. Step 2: Convert to fraction form
    38,739,470.62/53,462,887.31 = 21,335,811.43/x
  3. Step 3: Cross multiply
    38,739,470.62x = 53,462,887.31 × 21,335,811.43
  4. Step 4: Simplify right side
    38,739,470.62x = 1,140,674,082,149,500
  5. Step 5: Solve for x
    x = 1,140,674,082,149,500/38,739,470.62
  6. Step 6: Final answer
    x = 29,444,751.41

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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.