Home / 8,531,280.80-11,710,499.44-7,542,756.80

Finding the Fourth Proportional to 8,531,280.80, 11,710,499.44 and 7,542,756.80

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Solution

The fourth proportional to 8,531,280.80, 11,710,499.44 and 7,542,756.80 is: 10,353,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531,280.80 : 11,710,499.44 = 7,542,756.80 : x
  2. Step 2: Convert to fraction form
    8,531,280.80/11,710,499.44 = 7,542,756.80/x
  3. Step 3: Cross multiply
    8,531,280.80x = 11,710,499.44 × 7,542,756.80
  4. Step 4: Simplify right side
    8,531,280.80x = 88,329,449,282,456.19
  5. Step 5: Solve for x
    x = 88,329,449,282,456.19/8,531,280.80
  6. Step 6: Final answer
    x = 10,353,597.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.