Home / 6,918,526.11-10,368,787.64-2,815,065.12

Finding the Fourth Proportional to 6,918,526.11, 10,368,787.64 and 2,815,065.12

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Solution

The fourth proportional to 6,918,526.11, 10,368,787.64 and 2,815,065.12 is: 4,218,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,526.11 : 10,368,787.64 = 2,815,065.12 : x
  2. Step 2: Convert to fraction form
    6,918,526.11/10,368,787.64 = 2,815,065.12/x
  3. Step 3: Cross multiply
    6,918,526.11x = 10,368,787.64 × 2,815,065.12
  4. Step 4: Simplify right side
    6,918,526.11x = 29,188,812,407,975.79
  5. Step 5: Solve for x
    x = 29,188,812,407,975.79/6,918,526.11
  6. Step 6: Final answer
    x = 4,218,935.07

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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.