Home / 12,289,509.12-18,434,265.60-3,314,062.08

Finding the Fourth Proportional to 12,289,509.12, 18,434,265.60 and 3,314,062.08

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Solution

The fourth proportional to 12,289,509.12, 18,434,265.60 and 3,314,062.08 is: 4,971,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,509.12 : 18,434,265.60 = 3,314,062.08 : x
  2. Step 2: Convert to fraction form
    12,289,509.12/18,434,265.60 = 3,314,062.08/x
  3. Step 3: Cross multiply
    12,289,509.12x = 18,434,265.60 × 3,314,062.08
  4. Step 4: Simplify right side
    12,289,509.12x = 61,092,300,597,608.45
  5. Step 5: Solve for x
    x = 61,092,300,597,608.45/12,289,509.12
  6. Step 6: Final answer
    x = 4,971,093.64

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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.