Home / 47,277,043.20-70,863,076.80-18,513,619.20

Finding the Fourth Proportional to 47,277,043.20, 70,863,076.80 and 18,513,619.20

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Solution

The fourth proportional to 47,277,043.20, 70,863,076.80 and 18,513,619.20 is: 27,749,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,277,043.20 : 70,863,076.80 = 18,513,619.20 : x
  2. Step 2: Convert to fraction form
    47,277,043.20/70,863,076.80 = 18,513,619.20/x
  3. Step 3: Cross multiply
    47,277,043.20x = 70,863,076.80 × 18,513,619.20
  4. Step 4: Simplify right side
    47,277,043.20x = 1,311,932,019,215,554.50
  5. Step 5: Solve for x
    x = 1,311,932,019,215,554.50/47,277,043.20
  6. Step 6: Final answer
    x = 27,749,874.58

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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.