Home / 7,260,015.40-10,890,023.10-6,126,274.60

Finding the Fourth Proportional to 7,260,015.40, 10,890,023.10 and 6,126,274.60

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Solution

The fourth proportional to 7,260,015.40, 10,890,023.10 and 6,126,274.60 is: 9,189,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,015.40 : 10,890,023.10 = 6,126,274.60 : x
  2. Step 2: Convert to fraction form
    7,260,015.40/10,890,023.10 = 6,126,274.60/x
  3. Step 3: Cross multiply
    7,260,015.40x = 10,890,023.10 × 6,126,274.60
  4. Step 4: Simplify right side
    7,260,015.40x = 66,715,271,910,943.25
  5. Step 5: Solve for x
    x = 66,715,271,910,943.25/7,260,015.40
  6. Step 6: Final answer
    x = 9,189,411.90

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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.