Home / 19,211,456.52-28,815,054.96-4,834,528.20

Finding the Fourth Proportional to 19,211,456.52, 28,815,054.96 and 4,834,528.20

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Solution

The fourth proportional to 19,211,456.52, 28,815,054.96 and 4,834,528.20 is: 7,251,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,456.52 : 28,815,054.96 = 4,834,528.20 : x
  2. Step 2: Convert to fraction form
    19,211,456.52/28,815,054.96 = 4,834,528.20/x
  3. Step 3: Cross multiply
    19,211,456.52x = 28,815,054.96 × 4,834,528.20
  4. Step 4: Simplify right side
    19,211,456.52x = 139,307,195,788,669.88
  5. Step 5: Solve for x
    x = 139,307,195,788,669.88/19,211,456.52
  6. Step 6: Final answer
    x = 7,251,256.33

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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.