Home / 12,238,260.20-18,360,014.70-3,719,457.80

Finding the Fourth Proportional to 12,238,260.20, 18,360,014.70 and 3,719,457.80

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Solution

The fourth proportional to 12,238,260.20, 18,360,014.70 and 3,719,457.80 is: 5,579,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,260.20 : 18,360,014.70 = 3,719,457.80 : x
  2. Step 2: Convert to fraction form
    12,238,260.20/18,360,014.70 = 3,719,457.80/x
  3. Step 3: Cross multiply
    12,238,260.20x = 18,360,014.70 × 3,719,457.80
  4. Step 4: Simplify right side
    12,238,260.20x = 68,289,299,884,029.66
  5. Step 5: Solve for x
    x = 68,289,299,884,029.66/12,238,260.20
  6. Step 6: Final answer
    x = 5,579,984.31

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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.