Home / 8,601,389.64-11,869,699.23-4,680,979.11

Finding the Fourth Proportional to 8,601,389.64, 11,869,699.23 and 4,680,979.11

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Solution

The fourth proportional to 8,601,389.64, 11,869,699.23 and 4,680,979.11 is: 6,459,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601,389.64 : 11,869,699.23 = 4,680,979.11 : x
  2. Step 2: Convert to fraction form
    8,601,389.64/11,869,699.23 = 4,680,979.11/x
  3. Step 3: Cross multiply
    8,601,389.64x = 11,869,699.23 × 4,680,979.11
  4. Step 4: Simplify right side
    8,601,389.64x = 55,561,814,137,613.09
  5. Step 5: Solve for x
    x = 55,561,814,137,613.09/8,601,389.64
  6. Step 6: Final answer
    x = 6,459,632.28

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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.