Home / 6,662,715.12-9,989,873.64-5,652,191.52

Finding the Fourth Proportional to 6,662,715.12, 9,989,873.64 and 5,652,191.52

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Solution

The fourth proportional to 6,662,715.12, 9,989,873.64 and 5,652,191.52 is: 8,474,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662,715.12 : 9,989,873.64 = 5,652,191.52 : x
  2. Step 2: Convert to fraction form
    6,662,715.12/9,989,873.64 = 5,652,191.52/x
  3. Step 3: Cross multiply
    6,662,715.12x = 9,989,873.64 × 5,652,191.52
  4. Step 4: Simplify right side
    6,662,715.12x = 56,464,679,073,879.53
  5. Step 5: Solve for x
    x = 56,464,679,073,879.53/6,662,715.12
  6. Step 6: Final answer
    x = 8,474,725.10

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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.