Home / 17,979,457.80-26,972,685.90-5,200,379.40

Finding the Fourth Proportional to 17,979,457.80, 26,972,685.90 and 5,200,379.40

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Solution

The fourth proportional to 17,979,457.80, 26,972,685.90 and 5,200,379.40 is: 7,801,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,457.80 : 26,972,685.90 = 5,200,379.40 : x
  2. Step 2: Convert to fraction form
    17,979,457.80/26,972,685.90 = 5,200,379.40/x
  3. Step 3: Cross multiply
    17,979,457.80x = 26,972,685.90 × 5,200,379.40
  4. Step 4: Simplify right side
    17,979,457.80x = 140,268,200,117,030.47
  5. Step 5: Solve for x
    x = 140,268,200,117,030.47/17,979,457.80
  6. Step 6: Final answer
    x = 7,801,581.21

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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.