Home / 10,215,933.12-15,323,899.52-9,705,093.60

Finding the Fourth Proportional to 10,215,933.12, 15,323,899.52 and 9,705,093.60

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Solution

The fourth proportional to 10,215,933.12, 15,323,899.52 and 9,705,093.60 is: 14,557,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,933.12 : 15,323,899.52 = 9,705,093.60 : x
  2. Step 2: Convert to fraction form
    10,215,933.12/15,323,899.52 = 9,705,093.60/x
  3. Step 3: Cross multiply
    10,215,933.12x = 15,323,899.52 × 9,705,093.60
  4. Step 4: Simplify right side
    10,215,933.12x = 148,719,879,158,595.06
  5. Step 5: Solve for x
    x = 148,719,879,158,595.06/10,215,933.12
  6. Step 6: Final answer
    x = 14,557,640.25

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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.