Home / 19,016,818.17-28,530,145.31-11,136,228.39

Finding the Fourth Proportional to 19,016,818.17, 28,530,145.31 and 11,136,228.39

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Solution

The fourth proportional to 19,016,818.17, 28,530,145.31 and 11,136,228.39 is: 16,707,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016,818.17 : 28,530,145.31 = 11,136,228.39 : x
  2. Step 2: Convert to fraction form
    19,016,818.17/28,530,145.31 = 11,136,228.39/x
  3. Step 3: Cross multiply
    19,016,818.17x = 28,530,145.31 × 11,136,228.39
  4. Step 4: Simplify right side
    19,016,818.17x = 317,718,214,211,621.12
  5. Step 5: Solve for x
    x = 317,718,214,211,621.12/19,016,818.17
  6. Step 6: Final answer
    x = 16,707,222.60

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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.