Home / 31,345,076.80-47,017,615.20-26,306,228.80

Finding the Fourth Proportional to 31,345,076.80, 47,017,615.20 and 26,306,228.80

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Solution

The fourth proportional to 31,345,076.80, 47,017,615.20 and 26,306,228.80 is: 39,459,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345,076.80 : 47,017,615.20 = 26,306,228.80 : x
  2. Step 2: Convert to fraction form
    31,345,076.80/47,017,615.20 = 26,306,228.80/x
  3. Step 3: Cross multiply
    31,345,076.80x = 47,017,615.20 × 26,306,228.80
  4. Step 4: Simplify right side
    31,345,076.80x = 1,236,856,143,081,557.75
  5. Step 5: Solve for x
    x = 1,236,856,143,081,557.75/31,345,076.80
  6. Step 6: Final answer
    x = 39,459,343.20

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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.