Home / 15,104,391.60-20,843,998.20-8,228,852.40

Finding the Fourth Proportional to 15,104,391.60, 20,843,998.20 and 8,228,852.40

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Solution

The fourth proportional to 15,104,391.60, 20,843,998.20 and 8,228,852.40 is: 11,355,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,391.60 : 20,843,998.20 = 8,228,852.40 : x
  2. Step 2: Convert to fraction form
    15,104,391.60/20,843,998.20 = 8,228,852.40/x
  3. Step 3: Cross multiply
    15,104,391.60x = 20,843,998.20 × 8,228,852.40
  4. Step 4: Simplify right side
    15,104,391.60x = 171,522,184,613,665.69
  5. Step 5: Solve for x
    x = 171,522,184,613,665.69/15,104,391.60
  6. Step 6: Final answer
    x = 11,355,782.42

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1.5x scale

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.