Home / 11,615,483.28-16,029,758.45-6,388,895.68

Finding the Fourth Proportional to 11,615,483.28, 16,029,758.45 and 6,388,895.68

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Solution

The fourth proportional to 11,615,483.28, 16,029,758.45 and 6,388,895.68 is: 8,816,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,483.28 : 16,029,758.45 = 6,388,895.68 : x
  2. Step 2: Convert to fraction form
    11,615,483.28/16,029,758.45 = 6,388,895.68/x
  3. Step 3: Cross multiply
    11,615,483.28x = 16,029,758.45 × 6,388,895.68
  4. Step 4: Simplify right side
    11,615,483.28x = 102,412,454,512,648.48
  5. Step 5: Solve for x
    x = 102,412,454,512,648.48/11,615,483.28
  6. Step 6: Final answer
    x = 8,816,891.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.