Home / 18,145,384.80-27,218,077.20-4,682,212.80

Finding the Fourth Proportional to 18,145,384.80, 27,218,077.20 and 4,682,212.80

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Solution

The fourth proportional to 18,145,384.80, 27,218,077.20 and 4,682,212.80 is: 7,023,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,384.80 : 27,218,077.20 = 4,682,212.80 : x
  2. Step 2: Convert to fraction form
    18,145,384.80/27,218,077.20 = 4,682,212.80/x
  3. Step 3: Cross multiply
    18,145,384.80x = 27,218,077.20 × 4,682,212.80
  4. Step 4: Simplify right side
    18,145,384.80x = 127,440,829,457,228.16
  5. Step 5: Solve for x
    x = 127,440,829,457,228.16/18,145,384.80
  6. Step 6: Final answer
    x = 7,023,319.20

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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.