Home / 12,216,276.80-18,319,749.60-3,693,780.80

Finding the Fourth Proportional to 12,216,276.80, 18,319,749.60 and 3,693,780.80

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Solution

The fourth proportional to 12,216,276.80, 18,319,749.60 and 3,693,780.80 is: 5,539,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,276.80 : 18,319,749.60 = 3,693,780.80 : x
  2. Step 2: Convert to fraction form
    12,216,276.80/18,319,749.60 = 3,693,780.80/x
  3. Step 3: Cross multiply
    12,216,276.80x = 18,319,749.60 × 3,693,780.80
  4. Step 4: Simplify right side
    12,216,276.80x = 67,669,139,333,287.68
  5. Step 5: Solve for x
    x = 67,669,139,333,287.68/12,216,276.80
  6. Step 6: Final answer
    x = 5,539,260.48

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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.