Home / 8,218,975.84-11,339,439.68-4,780,486.96

Finding the Fourth Proportional to 8,218,975.84, 11,339,439.68 and 4,780,486.96

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Solution

The fourth proportional to 8,218,975.84, 11,339,439.68 and 4,780,486.96 is: 6,595,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,975.84 : 11,339,439.68 = 4,780,486.96 : x
  2. Step 2: Convert to fraction form
    8,218,975.84/11,339,439.68 = 4,780,486.96/x
  3. Step 3: Cross multiply
    8,218,975.84x = 11,339,439.68 × 4,780,486.96
  4. Step 4: Simplify right side
    8,218,975.84x = 54,208,043,507,549.18
  5. Step 5: Solve for x
    x = 54,208,043,507,549.18/8,218,975.84
  6. Step 6: Final answer
    x = 6,595,474.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.