Home / 20,317,266.24-28,037,196-11,149,673.28

Finding the Fourth Proportional to 20,317,266.24, 28,037,196 and 11,149,673.28

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Solution

The fourth proportional to 20,317,266.24, 28,037,196 and 11,149,673.28 is: 15,386,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,266.24 : 28,037,196 = 11,149,673.28 : x
  2. Step 2: Convert to fraction form
    20,317,266.24/28,037,196 = 11,149,673.28/x
  3. Step 3: Cross multiply
    20,317,266.24x = 28,037,196 × 11,149,673.28
  4. Step 4: Simplify right side
    20,317,266.24x = 312,605,575,087,322.88
  5. Step 5: Solve for x
    x = 312,605,575,087,322.88/20,317,266.24
  6. Step 6: Final answer
    x = 15,386,202.62

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1.5x scale

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.