Home / 6,500,611.20-9,750,916.80-3,141,379.20

Finding the Fourth Proportional to 6,500,611.20, 9,750,916.80 and 3,141,379.20

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Solution

The fourth proportional to 6,500,611.20, 9,750,916.80 and 3,141,379.20 is: 4,712,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500,611.20 : 9,750,916.80 = 3,141,379.20 : x
  2. Step 2: Convert to fraction form
    6,500,611.20/9,750,916.80 = 3,141,379.20/x
  3. Step 3: Cross multiply
    6,500,611.20x = 9,750,916.80 × 3,141,379.20
  4. Step 4: Simplify right side
    6,500,611.20x = 30,631,327,216,450.56
  5. Step 5: Solve for x
    x = 30,631,327,216,450.56/6,500,611.20
  6. Step 6: Final answer
    x = 4,712,068.80

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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.