Home / 7,328,542.80-10,992,814.20-6,141,657.90

Finding the Fourth Proportional to 7,328,542.80, 10,992,814.20 and 6,141,657.90

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Solution

The fourth proportional to 7,328,542.80, 10,992,814.20 and 6,141,657.90 is: 9,212,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,542.80 : 10,992,814.20 = 6,141,657.90 : x
  2. Step 2: Convert to fraction form
    7,328,542.80/10,992,814.20 = 6,141,657.90/x
  3. Step 3: Cross multiply
    7,328,542.80x = 10,992,814.20 × 6,141,657.90
  4. Step 4: Simplify right side
    7,328,542.80x = 67,514,104,174,662.18
  5. Step 5: Solve for x
    x = 67,514,104,174,662.18/7,328,542.80
  6. Step 6: Final answer
    x = 9,212,486.85

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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.