Home / 8,064,814.80-12,097,222.20-7,318,318.80

Finding the Fourth Proportional to 8,064,814.80, 12,097,222.20 and 7,318,318.80

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Solution

The fourth proportional to 8,064,814.80, 12,097,222.20 and 7,318,318.80 is: 10,977,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,814.80 : 12,097,222.20 = 7,318,318.80 : x
  2. Step 2: Convert to fraction form
    8,064,814.80/12,097,222.20 = 7,318,318.80/x
  3. Step 3: Cross multiply
    8,064,814.80x = 12,097,222.20 × 7,318,318.80
  4. Step 4: Simplify right side
    8,064,814.80x = 88,531,328,654,037.36
  5. Step 5: Solve for x
    x = 88,531,328,654,037.36/8,064,814.80
  6. Step 6: Final answer
    x = 10,977,478.20

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Double scale
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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.