Home / 13,728,081.60-20,592,122.40-10,549,252.80

Finding the Fourth Proportional to 13,728,081.60, 20,592,122.40 and 10,549,252.80

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Solution

The fourth proportional to 13,728,081.60, 20,592,122.40 and 10,549,252.80 is: 15,823,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,081.60 : 20,592,122.40 = 10,549,252.80 : x
  2. Step 2: Convert to fraction form
    13,728,081.60/20,592,122.40 = 10,549,252.80/x
  3. Step 3: Cross multiply
    13,728,081.60x = 20,592,122.40 × 10,549,252.80
  4. Step 4: Simplify right side
    13,728,081.60x = 217,231,504,886,142.72
  5. Step 5: Solve for x
    x = 217,231,504,886,142.72/13,728,081.60
  6. Step 6: Final answer
    x = 15,823,879.20

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1.5x scale

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.