Home / 35,361,754.80-48,770,108.28-20,861,070

Finding the Fourth Proportional to 35,361,754.80, 48,770,108.28 and 20,861,070

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Solution

The fourth proportional to 35,361,754.80, 48,770,108.28 and 20,861,070 is: 28,771,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361,754.80 : 48,770,108.28 = 20,861,070 : x
  2. Step 2: Convert to fraction form
    35,361,754.80/48,770,108.28 = 20,861,070/x
  3. Step 3: Cross multiply
    35,361,754.80x = 48,770,108.28 × 20,861,070
  4. Step 4: Simplify right side
    35,361,754.80x = 1,017,396,642,736,659.62
  5. Step 5: Solve for x
    x = 1,017,396,642,736,659.62/35,361,754.80
  6. Step 6: Final answer
    x = 28,771,101.67

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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.