Home / 38,291,538.86-52,842,259.56-20,887,884.07

Finding the Fourth Proportional to 38,291,538.86, 52,842,259.56 and 20,887,884.07

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Solution

The fourth proportional to 38,291,538.86, 52,842,259.56 and 20,887,884.07 is: 28,825,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,538.86 : 52,842,259.56 = 20,887,884.07 : x
  2. Step 2: Convert to fraction form
    38,291,538.86/52,842,259.56 = 20,887,884.07/x
  3. Step 3: Cross multiply
    38,291,538.86x = 52,842,259.56 × 20,887,884.07
  4. Step 4: Simplify right side
    38,291,538.86x = 1,103,762,991,686,129.25
  5. Step 5: Solve for x
    x = 1,103,762,991,686,129.25/38,291,538.86
  6. Step 6: Final answer
    x = 28,825,245.07

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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.