Home / 22,809,961.68-31,477,484.70-12,355,778.40

Finding the Fourth Proportional to 22,809,961.68, 31,477,484.70 and 12,355,778.40

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Solution

The fourth proportional to 22,809,961.68, 31,477,484.70 and 12,355,778.40 is: 17,050,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809,961.68 : 31,477,484.70 = 12,355,778.40 : x
  2. Step 2: Convert to fraction form
    22,809,961.68/31,477,484.70 = 12,355,778.40/x
  3. Step 3: Cross multiply
    22,809,961.68x = 31,477,484.70 × 12,355,778.40
  4. Step 4: Simplify right side
    22,809,961.68x = 388,928,825,542,590.50
  5. Step 5: Solve for x
    x = 388,928,825,542,590.50/22,809,961.68
  6. Step 6: Final answer
    x = 17,050,832.04

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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.