Home / 7,102,719.40-10,654,856.70-6,878,770.60

Finding the Fourth Proportional to 7,102,719.40, 10,654,856.70 and 6,878,770.60

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Solution

The fourth proportional to 7,102,719.40, 10,654,856.70 and 6,878,770.60 is: 10,318,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,719.40 : 10,654,856.70 = 6,878,770.60 : x
  2. Step 2: Convert to fraction form
    7,102,719.40/10,654,856.70 = 6,878,770.60/x
  3. Step 3: Cross multiply
    7,102,719.40x = 10,654,856.70 × 6,878,770.60
  4. Step 4: Simplify right side
    7,102,719.40x = 73,292,315,015,173.02
  5. Step 5: Solve for x
    x = 73,292,315,015,173.02/7,102,719.40
  6. Step 6: Final answer
    x = 10,318,908.98

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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.