Home / 8,316,136.80-12,474,205.20-5,628,751.20

Finding the Fourth Proportional to 8,316,136.80, 12,474,205.20 and 5,628,751.20

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Solution

The fourth proportional to 8,316,136.80, 12,474,205.20 and 5,628,751.20 is: 8,443,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,136.80 : 12,474,205.20 = 5,628,751.20 : x
  2. Step 2: Convert to fraction form
    8,316,136.80/12,474,205.20 = 5,628,751.20/x
  3. Step 3: Cross multiply
    8,316,136.80x = 12,474,205.20 × 5,628,751.20
  4. Step 4: Simplify right side
    8,316,136.80x = 70,214,197,488,546.23
  5. Step 5: Solve for x
    x = 70,214,197,488,546.23/8,316,136.80
  6. Step 6: Final answer
    x = 8,443,126.80

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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.