Home / 8,308,605.20-12,462,907.80-2,987,901.20

Finding the Fourth Proportional to 8,308,605.20, 12,462,907.80 and 2,987,901.20

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Solution

The fourth proportional to 8,308,605.20, 12,462,907.80 and 2,987,901.20 is: 4,481,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,605.20 : 12,462,907.80 = 2,987,901.20 : x
  2. Step 2: Convert to fraction form
    8,308,605.20/12,462,907.80 = 2,987,901.20/x
  3. Step 3: Cross multiply
    8,308,605.20x = 12,462,907.80 × 2,987,901.20
  4. Step 4: Simplify right side
    8,308,605.20x = 37,237,937,171,109.37
  5. Step 5: Solve for x
    x = 37,237,937,171,109.37/8,308,605.20
  6. Step 6: Final answer
    x = 4,481,851.80

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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.