Home / 8,220,661.20-12,330,991.80-3,732,937.20

Finding the Fourth Proportional to 8,220,661.20, 12,330,991.80 and 3,732,937.20

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Solution

The fourth proportional to 8,220,661.20, 12,330,991.80 and 3,732,937.20 is: 5,599,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,661.20 : 12,330,991.80 = 3,732,937.20 : x
  2. Step 2: Convert to fraction form
    8,220,661.20/12,330,991.80 = 3,732,937.20/x
  3. Step 3: Cross multiply
    8,220,661.20x = 12,330,991.80 × 3,732,937.20
  4. Step 4: Simplify right side
    8,220,661.20x = 46,030,818,003,114.97
  5. Step 5: Solve for x
    x = 46,030,818,003,114.97/8,220,661.20
  6. Step 6: Final answer
    x = 5,599,405.80

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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.