Home / 28,346,565.60-39,118,250.16-15,469,509.60

Finding the Fourth Proportional to 28,346,565.60, 39,118,250.16 and 15,469,509.60

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Solution

The fourth proportional to 28,346,565.60, 39,118,250.16 and 15,469,509.60 is: 21,347,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,565.60 : 39,118,250.16 = 15,469,509.60 : x
  2. Step 2: Convert to fraction form
    28,346,565.60/39,118,250.16 = 15,469,509.60/x
  3. Step 3: Cross multiply
    28,346,565.60x = 39,118,250.16 × 15,469,509.60
  4. Step 4: Simplify right side
    28,346,565.60x = 605,140,146,385,321.50
  5. Step 5: Solve for x
    x = 605,140,146,385,321.50/28,346,565.60
  6. Step 6: Final answer
    x = 21,347,917.59

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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.