Home / 19,211,458.52-28,815,057.96-4,834,530.20

Finding the Fourth Proportional to 19,211,458.52, 28,815,057.96 and 4,834,530.20

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Solution

The fourth proportional to 19,211,458.52, 28,815,057.96 and 4,834,530.20 is: 7,251,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,458.52 : 28,815,057.96 = 4,834,530.20 : x
  2. Step 2: Convert to fraction form
    19,211,458.52/28,815,057.96 = 4,834,530.20/x
  3. Step 3: Cross multiply
    19,211,458.52x = 28,815,057.96 × 4,834,530.20
  4. Step 4: Simplify right side
    19,211,458.52x = 139,307,267,922,370.41
  5. Step 5: Solve for x
    x = 139,307,267,922,370.41/19,211,458.52
  6. Step 6: Final answer
    x = 7,251,259.33

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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.