Home / 7,260,037.20-10,890,055.80-6,941,172.60

Finding the Fourth Proportional to 7,260,037.20, 10,890,055.80 and 6,941,172.60

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Solution

The fourth proportional to 7,260,037.20, 10,890,055.80 and 6,941,172.60 is: 10,411,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,037.20 : 10,890,055.80 = 6,941,172.60 : x
  2. Step 2: Convert to fraction form
    7,260,037.20/10,890,055.80 = 6,941,172.60/x
  3. Step 3: Cross multiply
    7,260,037.20x = 10,890,055.80 × 6,941,172.60
  4. Step 4: Simplify right side
    7,260,037.20x = 75,589,756,931,431.08
  5. Step 5: Solve for x
    x = 75,589,756,931,431.08/7,260,037.20
  6. Step 6: Final answer
    x = 10,411,758.90

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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.