Home / 8,731,065.87-12,049,243.70-4,863,589.65

Finding the Fourth Proportional to 8,731,065.87, 12,049,243.70 and 4,863,589.65

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Solution

The fourth proportional to 8,731,065.87, 12,049,243.70 and 4,863,589.65 is: 6,711,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,065.87 : 12,049,243.70 = 4,863,589.65 : x
  2. Step 2: Convert to fraction form
    8,731,065.87/12,049,243.70 = 4,863,589.65/x
  3. Step 3: Cross multiply
    8,731,065.87x = 12,049,243.70 × 4,863,589.65
  4. Step 4: Simplify right side
    8,731,065.87x = 58,602,576,925,329.77
  5. Step 5: Solve for x
    x = 58,602,576,925,329.77/8,731,065.87
  6. Step 6: Final answer
    x = 6,711,961.38

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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.