Home / 12,216,007.68-16,853,989.08-6,916,979.80

Finding the Fourth Proportional to 12,216,007.68, 16,853,989.08 and 6,916,979.80

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Solution

The fourth proportional to 12,216,007.68, 16,853,989.08 and 6,916,979.80 is: 9,543,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,007.68 : 16,853,989.08 = 6,916,979.80 : x
  2. Step 2: Convert to fraction form
    12,216,007.68/16,853,989.08 = 6,916,979.80/x
  3. Step 3: Cross multiply
    12,216,007.68x = 16,853,989.08 × 6,916,979.80
  4. Step 4: Simplify right side
    12,216,007.68x = 116,578,702,015,780.56
  5. Step 5: Solve for x
    x = 116,578,702,015,780.56/12,216,007.68
  6. Step 6: Final answer
    x = 9,543,109.75

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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.