Home / 20,628,751.68-30,932,496-9,259,454.88

Finding the Fourth Proportional to 20,628,751.68, 30,932,496 and 9,259,454.88

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Solution

The fourth proportional to 20,628,751.68, 30,932,496 and 9,259,454.88 is: 13,884,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,751.68 : 30,932,496 = 9,259,454.88 : x
  2. Step 2: Convert to fraction form
    20,628,751.68/30,932,496 = 9,259,454.88/x
  3. Step 3: Cross multiply
    20,628,751.68x = 30,932,496 × 9,259,454.88
  4. Step 4: Simplify right side
    20,628,751.68x = 286,418,051,037,780.50
  5. Step 5: Solve for x
    x = 286,418,051,037,780.50/20,628,751.68
  6. Step 6: Final answer
    x = 13,884,410.24

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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.