Home / 19,170,507.32-28,723,874.52-13,478,796.08

Finding the Fourth Proportional to 19,170,507.32, 28,723,874.52 and 13,478,796.08

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Solution

The fourth proportional to 19,170,507.32, 28,723,874.52 and 13,478,796.08 is: 20,195,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170,507.32 : 28,723,874.52 = 13,478,796.08 : x
  2. Step 2: Convert to fraction form
    19,170,507.32/28,723,874.52 = 13,478,796.08/x
  3. Step 3: Cross multiply
    19,170,507.32x = 28,723,874.52 × 13,478,796.08
  4. Step 4: Simplify right side
    19,170,507.32x = 387,163,247,221,410.31
  5. Step 5: Solve for x
    x = 387,163,247,221,410.31/19,170,507.32
  6. Step 6: Final answer
    x = 20,195,774.73

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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.