Home / 25,552,005.20-38,328,007.80-20,513,157.20

Finding the Fourth Proportional to 25,552,005.20, 38,328,007.80 and 20,513,157.20

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Solution

The fourth proportional to 25,552,005.20, 38,328,007.80 and 20,513,157.20 is: 30,769,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552,005.20 : 38,328,007.80 = 20,513,157.20 : x
  2. Step 2: Convert to fraction form
    25,552,005.20/38,328,007.80 = 20,513,157.20/x
  3. Step 3: Cross multiply
    25,552,005.20x = 38,328,007.80 × 20,513,157.20
  4. Step 4: Simplify right side
    25,552,005.20x = 786,228,449,164,226.12
  5. Step 5: Solve for x
    x = 786,228,449,164,226.12/25,552,005.20
  6. Step 6: Final answer
    x = 30,769,735.80

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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.