Home / 27,217,848.80-40,826,773.20-20,499,384.80

Finding the Fourth Proportional to 27,217,848.80, 40,826,773.20 and 20,499,384.80

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Solution

The fourth proportional to 27,217,848.80, 40,826,773.20 and 20,499,384.80 is: 30,749,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,848.80 : 40,826,773.20 = 20,499,384.80 : x
  2. Step 2: Convert to fraction form
    27,217,848.80/40,826,773.20 = 20,499,384.80/x
  3. Step 3: Cross multiply
    27,217,848.80x = 40,826,773.20 × 20,499,384.80
  4. Step 4: Simplify right side
    27,217,848.80x = 836,923,733,969,127.50
  5. Step 5: Solve for x
    x = 836,923,733,969,127.50/27,217,848.80
  6. Step 6: Final answer
    x = 30,749,077.20

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1.5x scale

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.