Home / 12,208,116.20-18,315,090.30-3,688,536.20

Finding the Fourth Proportional to 12,208,116.20, 18,315,090.30 and 3,688,536.20

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Solution

The fourth proportional to 12,208,116.20, 18,315,090.30 and 3,688,536.20 is: 5,533,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,116.20 : 18,315,090.30 = 3,688,536.20 : x
  2. Step 2: Convert to fraction form
    12,208,116.20/18,315,090.30 = 3,688,536.20/x
  3. Step 3: Cross multiply
    12,208,116.20x = 18,315,090.30 × 3,688,536.20
  4. Step 4: Simplify right side
    12,208,116.20x = 67,555,873,577,818.87
  5. Step 5: Solve for x
    x = 67,555,873,577,818.87/12,208,116.20
  6. Step 6: Final answer
    x = 5,533,685.33

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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.