Home / 38,246,739.48-52,779,159.89-20,842,729.56

Finding the Fourth Proportional to 38,246,739.48, 52,779,159.89 and 20,842,729.56

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Solution

The fourth proportional to 38,246,739.48, 52,779,159.89 and 20,842,729.56 is: 28,762,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246,739.48 : 52,779,159.89 = 20,842,729.56 : x
  2. Step 2: Convert to fraction form
    38,246,739.48/52,779,159.89 = 20,842,729.56/x
  3. Step 3: Cross multiply
    38,246,739.48x = 52,779,159.89 × 20,842,729.56
  4. Step 4: Simplify right side
    38,246,739.48x = 1,100,061,755,991,269.25
  5. Step 5: Solve for x
    x = 1,100,061,755,991,269.25/38,246,739.48
  6. Step 6: Final answer
    x = 28,762,236.23

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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.