Home / 30,158,011.60-41,632,511.03-18,565,511.92

Finding the Fourth Proportional to 30,158,011.60, 41,632,511.03 and 18,565,511.92

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Solution

The fourth proportional to 30,158,011.60, 41,632,511.03 and 18,565,511.92 is: 25,629,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158,011.60 : 41,632,511.03 = 18,565,511.92 : x
  2. Step 2: Convert to fraction form
    30,158,011.60/41,632,511.03 = 18,565,511.92/x
  3. Step 3: Cross multiply
    30,158,011.60x = 41,632,511.03 × 18,565,511.92
  4. Step 4: Simplify right side
    30,158,011.60x = 772,928,879,786,996.62
  5. Step 5: Solve for x
    x = 772,928,879,786,996.62/30,158,011.60
  6. Step 6: Final answer
    x = 25,629,305.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.