Home / 20,769,784.44-31,155,077.49-6,392,837.40

Finding the Fourth Proportional to 20,769,784.44, 31,155,077.49 and 6,392,837.40

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Solution

The fourth proportional to 20,769,784.44, 31,155,077.49 and 6,392,837.40 is: 9,589,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,784.44 : 31,155,077.49 = 6,392,837.40 : x
  2. Step 2: Convert to fraction form
    20,769,784.44/31,155,077.49 = 6,392,837.40/x
  3. Step 3: Cross multiply
    20,769,784.44x = 31,155,077.49 × 6,392,837.40
  4. Step 4: Simplify right side
    20,769,784.44x = 199,169,344,577,970.12
  5. Step 5: Solve for x
    x = 199,169,344,577,970.12/20,769,784.44
  6. Step 6: Final answer
    x = 9,589,379.47

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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.