Home / 19,319,181.09-28,979,764.29-4,942,373.64

Finding the Fourth Proportional to 19,319,181.09, 28,979,764.29 and 4,942,373.64

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Solution

The fourth proportional to 19,319,181.09, 28,979,764.29 and 4,942,373.64 is: 7,413,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,181.09 : 28,979,764.29 = 4,942,373.64 : x
  2. Step 2: Convert to fraction form
    19,319,181.09/28,979,764.29 = 4,942,373.64/x
  3. Step 3: Cross multiply
    19,319,181.09x = 28,979,764.29 × 4,942,373.64
  4. Step 4: Simplify right side
    19,319,181.09x = 143,228,823,120,309.31
  5. Step 5: Solve for x
    x = 143,228,823,120,309.31/19,319,181.09
  6. Step 6: Final answer
    x = 7,413,814.41

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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.