Home / 8,160,047.20-12,240,070.80-6,741,704.80

Finding the Fourth Proportional to 8,160,047.20, 12,240,070.80 and 6,741,704.80

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Solution

The fourth proportional to 8,160,047.20, 12,240,070.80 and 6,741,704.80 is: 10,112,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,047.20 : 12,240,070.80 = 6,741,704.80 : x
  2. Step 2: Convert to fraction form
    8,160,047.20/12,240,070.80 = 6,741,704.80/x
  3. Step 3: Cross multiply
    8,160,047.20x = 12,240,070.80 × 6,741,704.80
  4. Step 4: Simplify right side
    8,160,047.20x = 82,518,944,064,699.84
  5. Step 5: Solve for x
    x = 82,518,944,064,699.84/8,160,047.20
  6. Step 6: Final answer
    x = 10,112,557.20

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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.