Home / 13,449,719.80-20,174,579.70-12,410,457.40

Finding the Fourth Proportional to 13,449,719.80, 20,174,579.70 and 12,410,457.40

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Solution

The fourth proportional to 13,449,719.80, 20,174,579.70 and 12,410,457.40 is: 18,615,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,719.80 : 20,174,579.70 = 12,410,457.40 : x
  2. Step 2: Convert to fraction form
    13,449,719.80/20,174,579.70 = 12,410,457.40/x
  3. Step 3: Cross multiply
    13,449,719.80x = 20,174,579.70 × 12,410,457.40
  4. Step 4: Simplify right side
    13,449,719.80x = 250,375,761,929,754.78
  5. Step 5: Solve for x
    x = 250,375,761,929,754.78/13,449,719.80
  6. Step 6: Final answer
    x = 18,615,686.10

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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.