Home / 14,767,313.20-20,387,873.64-10,128,719.02

Finding the Fourth Proportional to 14,767,313.20, 20,387,873.64 and 10,128,719.02

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Solution

The fourth proportional to 14,767,313.20, 20,387,873.64 and 10,128,719.02 is: 13,983,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767,313.20 : 20,387,873.64 = 10,128,719.02 : x
  2. Step 2: Convert to fraction form
    14,767,313.20/20,387,873.64 = 10,128,719.02/x
  3. Step 3: Cross multiply
    14,767,313.20x = 20,387,873.64 × 10,128,719.02
  4. Step 4: Simplify right side
    14,767,313.20x = 206,503,043,514,824.62
  5. Step 5: Solve for x
    x = 206,503,043,514,824.62/14,767,313.20
  6. Step 6: Final answer
    x = 13,983,792.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.