Home / 20,627,820.56-30,941,739.48-7,845,372.56

Finding the Fourth Proportional to 20,627,820.56, 30,941,739.48 and 7,845,372.56

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Solution

The fourth proportional to 20,627,820.56, 30,941,739.48 and 7,845,372.56 is: 11,768,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,820.56 : 30,941,739.48 = 7,845,372.56 : x
  2. Step 2: Convert to fraction form
    20,627,820.56/30,941,739.48 = 7,845,372.56/x
  3. Step 3: Cross multiply
    20,627,820.56x = 30,941,739.48 × 7,845,372.56
  4. Step 4: Simplify right side
    20,627,820.56x = 242,749,473,875,060.66
  5. Step 5: Solve for x
    x = 242,749,473,875,060.66/20,627,820.56
  6. Step 6: Final answer
    x = 11,768,062.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.