Home / 21,716,178.34-32,574,248.96-5,542,128.32

Finding the Fourth Proportional to 21,716,178.34, 32,574,248.96 and 5,542,128.32

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Solution

The fourth proportional to 21,716,178.34, 32,574,248.96 and 5,542,128.32 is: 8,313,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716,178.34 : 32,574,248.96 = 5,542,128.32 : x
  2. Step 2: Convert to fraction form
    21,716,178.34/32,574,248.96 = 5,542,128.32/x
  3. Step 3: Cross multiply
    21,716,178.34x = 32,574,248.96 × 5,542,128.32
  4. Step 4: Simplify right side
    21,716,178.34x = 180,530,667,663,946.56
  5. Step 5: Solve for x
    x = 180,530,667,663,946.56/21,716,178.34
  6. Step 6: Final answer
    x = 8,313,187.75

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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.