Home / 14,819,742.70-20,453,384.13-8,539,067.12

Finding the Fourth Proportional to 14,819,742.70, 20,453,384.13 and 8,539,067.12

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Solution

The fourth proportional to 14,819,742.70, 20,453,384.13 and 8,539,067.12 is: 11,785,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819,742.70 : 20,453,384.13 = 8,539,067.12 : x
  2. Step 2: Convert to fraction form
    14,819,742.70/20,453,384.13 = 8,539,067.12/x
  3. Step 3: Cross multiply
    14,819,742.70x = 20,453,384.13 × 8,539,067.12
  4. Step 4: Simplify right side
    14,819,742.70x = 174,652,819,968,346.28
  5. Step 5: Solve for x
    x = 174,652,819,968,346.28/14,819,742.70
  6. Step 6: Final answer
    x = 11,785,145.23

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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.