Home / 9,027,621-13,543,619.31-5,191,898.40

Finding the Fourth Proportional to 9,027,621, 13,543,619.31 and 5,191,898.40

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Solution

The fourth proportional to 9,027,621, 13,543,619.31 and 5,191,898.40 is: 7,789,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027,621 : 13,543,619.31 = 5,191,898.40 : x
  2. Step 2: Convert to fraction form
    9,027,621/13,543,619.31 = 5,191,898.40/x
  3. Step 3: Cross multiply
    9,027,621x = 13,543,619.31 × 5,191,898.40
  4. Step 4: Simplify right side
    9,027,621x = 70,317,095,425,798.11
  5. Step 5: Solve for x
    x = 70,317,095,425,798.11/9,027,621
  6. Step 6: Final answer
    x = 7,789,105.84

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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.