Home / 7,381,146.40-11,071,719.60-6,796,561.30

Finding the Fourth Proportional to 7,381,146.40, 11,071,719.60 and 6,796,561.30

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Solution

The fourth proportional to 7,381,146.40, 11,071,719.60 and 6,796,561.30 is: 10,194,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,146.40 : 11,071,719.60 = 6,796,561.30 : x
  2. Step 2: Convert to fraction form
    7,381,146.40/11,071,719.60 = 6,796,561.30/x
  3. Step 3: Cross multiply
    7,381,146.40x = 11,071,719.60 × 6,796,561.30
  4. Step 4: Simplify right side
    7,381,146.40x = 75,249,620,957,811.47
  5. Step 5: Solve for x
    x = 75,249,620,957,811.47/7,381,146.40
  6. Step 6: Final answer
    x = 10,194,841.95

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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.