Home / 19,172,468.76-28,759,293.62-8,384,216.46

Finding the Fourth Proportional to 19,172,468.76, 28,759,293.62 and 8,384,216.46

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Solution

The fourth proportional to 19,172,468.76, 28,759,293.62 and 8,384,216.46 is: 12,576,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,468.76 : 28,759,293.62 = 8,384,216.46 : x
  2. Step 2: Convert to fraction form
    19,172,468.76/28,759,293.62 = 8,384,216.46/x
  3. Step 3: Cross multiply
    19,172,468.76x = 28,759,293.62 × 8,384,216.46
  4. Step 4: Simplify right side
    19,172,468.76x = 241,124,142,946,777
  5. Step 5: Solve for x
    x = 241,124,142,946,777/19,172,468.76
  6. Step 6: Final answer
    x = 12,576,582.91

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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.