Home / 8,606,487.20-12,909,730.80-8,214,576.80

Finding the Fourth Proportional to 8,606,487.20, 12,909,730.80 and 8,214,576.80

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Solution

The fourth proportional to 8,606,487.20, 12,909,730.80 and 8,214,576.80 is: 12,321,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,487.20 : 12,909,730.80 = 8,214,576.80 : x
  2. Step 2: Convert to fraction form
    8,606,487.20/12,909,730.80 = 8,214,576.80/x
  3. Step 3: Cross multiply
    8,606,487.20x = 12,909,730.80 × 8,214,576.80
  4. Step 4: Simplify right side
    8,606,487.20x = 106,047,975,123,925.44
  5. Step 5: Solve for x
    x = 106,047,975,123,925.44/8,606,487.20
  6. Step 6: Final answer
    x = 12,321,865.20

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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.