Home / 20,472,955.84-30,709,520.52-5,325,793.84

Finding the Fourth Proportional to 20,472,955.84, 30,709,520.52 and 5,325,793.84

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Solution

The fourth proportional to 20,472,955.84, 30,709,520.52 and 5,325,793.84 is: 7,988,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472,955.84 : 30,709,520.52 = 5,325,793.84 : x
  2. Step 2: Convert to fraction form
    20,472,955.84/30,709,520.52 = 5,325,793.84/x
  3. Step 3: Cross multiply
    20,472,955.84x = 30,709,520.52 × 5,325,793.84
  4. Step 4: Simplify right side
    20,472,955.84x = 163,552,575,214,769.59
  5. Step 5: Solve for x
    x = 163,552,575,214,769.59/20,472,955.84
  6. Step 6: Final answer
    x = 7,988,713.33

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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.