Home / 8,710,872.87-12,020,379.56-4,790,900.91

Finding the Fourth Proportional to 8,710,872.87, 12,020,379.56 and 4,790,900.91

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Solution

The fourth proportional to 8,710,872.87, 12,020,379.56 and 4,790,900.91 is: 6,611,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,872.87 : 12,020,379.56 = 4,790,900.91 : x
  2. Step 2: Convert to fraction form
    8,710,872.87/12,020,379.56 = 4,790,900.91/x
  3. Step 3: Cross multiply
    8,710,872.87x = 12,020,379.56 × 4,790,900.91
  4. Step 4: Simplify right side
    8,710,872.87x = 57,588,447,370,971.38
  5. Step 5: Solve for x
    x = 57,588,447,370,971.38/8,710,872.87
  6. Step 6: Final answer
    x = 6,611,099.51

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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.