Home / 15,565,921.92-23,346,487.80-5,191,323.48

Finding the Fourth Proportional to 15,565,921.92, 23,346,487.80 and 5,191,323.48

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Solution

The fourth proportional to 15,565,921.92, 23,346,487.80 and 5,191,323.48 is: 7,786,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,921.92 : 23,346,487.80 = 5,191,323.48 : x
  2. Step 2: Convert to fraction form
    15,565,921.92/23,346,487.80 = 5,191,323.48/x
  3. Step 3: Cross multiply
    15,565,921.92x = 23,346,487.80 × 5,191,323.48
  4. Step 4: Simplify right side
    15,565,921.92x = 121,199,170,291,673.56
  5. Step 5: Solve for x
    x = 121,199,170,291,673.56/15,565,921.92
  6. Step 6: Final answer
    x = 7,786,186.45

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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.