Home / 8,992,979.64-12,409,558.38-5,072,519.16

Finding the Fourth Proportional to 8,992,979.64, 12,409,558.38 and 5,072,519.16

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Solution

The fourth proportional to 8,992,979.64, 12,409,558.38 and 5,072,519.16 is: 6,999,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,979.64 : 12,409,558.38 = 5,072,519.16 : x
  2. Step 2: Convert to fraction form
    8,992,979.64/12,409,558.38 = 5,072,519.16/x
  3. Step 3: Cross multiply
    8,992,979.64x = 12,409,558.38 × 5,072,519.16
  4. Step 4: Simplify right side
    8,992,979.64x = 62,947,722,649,688.57
  5. Step 5: Solve for x
    x = 62,947,722,649,688.57/8,992,979.64
  6. Step 6: Final answer
    x = 6,999,651.41

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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.