Home / 14,140,334.74-21,210,366.57-8,378,921.11

Finding the Fourth Proportional to 14,140,334.74, 21,210,366.57 and 8,378,921.11

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Solution

The fourth proportional to 14,140,334.74, 21,210,366.57 and 8,378,921.11 is: 12,568,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140,334.74 : 21,210,366.57 = 8,378,921.11 : x
  2. Step 2: Convert to fraction form
    14,140,334.74/21,210,366.57 = 8,378,921.11/x
  3. Step 3: Cross multiply
    14,140,334.74x = 21,210,366.57 × 8,378,921.11
  4. Step 4: Simplify right side
    14,140,334.74x = 177,719,988,262,145.22
  5. Step 5: Solve for x
    x = 177,719,988,262,145.22/14,140,334.74
  6. Step 6: Final answer
    x = 12,568,301.36

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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.