Home / 47,780,804.24-65,935,610.64-28,207,997.58

Finding the Fourth Proportional to 47,780,804.24, 65,935,610.64 and 28,207,997.58

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Solution

The fourth proportional to 47,780,804.24, 65,935,610.64 and 28,207,997.58 is: 38,925,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,804.24 : 65,935,610.64 = 28,207,997.58 : x
  2. Step 2: Convert to fraction form
    47,780,804.24/65,935,610.64 = 28,207,997.58/x
  3. Step 3: Cross multiply
    47,780,804.24x = 65,935,610.64 × 28,207,997.58
  4. Step 4: Simplify right side
    47,780,804.24x = 1,859,911,545,368,942.25
  5. Step 5: Solve for x
    x = 1,859,911,545,368,942.25/47,780,804.24
  6. Step 6: Final answer
    x = 38,925,915.44

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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.