Home / 39,407,481.86-54,382,000.27-21,525,717.03

Finding the Fourth Proportional to 39,407,481.86, 54,382,000.27 and 21,525,717.03

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Solution

The fourth proportional to 39,407,481.86, 54,382,000.27 and 21,525,717.03 is: 29,705,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407,481.86 : 54,382,000.27 = 21,525,717.03 : x
  2. Step 2: Convert to fraction form
    39,407,481.86/54,382,000.27 = 21,525,717.03/x
  3. Step 3: Cross multiply
    39,407,481.86x = 54,382,000.27 × 21,525,717.03
  4. Step 4: Simplify right side
    39,407,481.86x = 1,170,611,549,120,017.50
  5. Step 5: Solve for x
    x = 1,170,611,549,120,017.50/39,407,481.86
  6. Step 6: Final answer
    x = 29,705,312.14

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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.