Home / 8,140,505.40-12,193,043.40-7,077,623.40

Finding the Fourth Proportional to 8,140,505.40, 12,193,043.40 and 7,077,623.40

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Solution

The fourth proportional to 8,140,505.40, 12,193,043.40 and 7,077,623.40 is: 10,601,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,505.40 : 12,193,043.40 = 7,077,623.40 : x
  2. Step 2: Convert to fraction form
    8,140,505.40/12,193,043.40 = 7,077,623.40/x
  3. Step 3: Cross multiply
    8,140,505.40x = 12,193,043.40 × 7,077,623.40
  4. Step 4: Simplify right side
    8,140,505.40x = 86,297,769,285,055.56
  5. Step 5: Solve for x
    x = 86,297,769,285,055.56/8,140,505.40
  6. Step 6: Final answer
    x = 10,601,033.36

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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.