Home / 7,260,493.60-10,890,740.40-7,166,015.20

Finding the Fourth Proportional to 7,260,493.60, 10,890,740.40 and 7,166,015.20

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Solution

The fourth proportional to 7,260,493.60, 10,890,740.40 and 7,166,015.20 is: 10,749,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,493.60 : 10,890,740.40 = 7,166,015.20 : x
  2. Step 2: Convert to fraction form
    7,260,493.60/10,890,740.40 = 7,166,015.20/x
  3. Step 3: Cross multiply
    7,260,493.60x = 10,890,740.40 × 7,166,015.20
  4. Step 4: Simplify right side
    7,260,493.60x = 78,043,211,245,654.08
  5. Step 5: Solve for x
    x = 78,043,211,245,654.08/7,260,493.60
  6. Step 6: Final answer
    x = 10,749,022.80

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1.5x scale

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.