Home / 8,622,902.80-12,928,449.30-4,076,129.80

Finding the Fourth Proportional to 8,622,902.80, 12,928,449.30 and 4,076,129.80

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Solution

The fourth proportional to 8,622,902.80, 12,928,449.30 and 4,076,129.80 is: 6,111,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,902.80 : 12,928,449.30 = 4,076,129.80 : x
  2. Step 2: Convert to fraction form
    8,622,902.80/12,928,449.30 = 4,076,129.80/x
  3. Step 3: Cross multiply
    8,622,902.80x = 12,928,449.30 × 4,076,129.80
  4. Step 4: Simplify right side
    8,622,902.80x = 52,698,037,459,519.14
  5. Step 5: Solve for x
    x = 52,698,037,459,519.14/8,622,902.80
  6. Step 6: Final answer
    x = 6,111,403.40

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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.