Home / 13,097,829.60-19,643,245.20-3,999,909.60

Finding the Fourth Proportional to 13,097,829.60, 19,643,245.20 and 3,999,909.60

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Solution

The fourth proportional to 13,097,829.60, 19,643,245.20 and 3,999,909.60 is: 5,998,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097,829.60 : 19,643,245.20 = 3,999,909.60 : x
  2. Step 2: Convert to fraction form
    13,097,829.60/19,643,245.20 = 3,999,909.60/x
  3. Step 3: Cross multiply
    13,097,829.60x = 19,643,245.20 × 3,999,909.60
  4. Step 4: Simplify right side
    13,097,829.60x = 78,571,205,050,633.92
  5. Step 5: Solve for x
    x = 78,571,205,050,633.92/13,097,829.60
  6. Step 6: Final answer
    x = 5,998,795.79

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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.