Home / 5,555,113.11-8,331,827.72-1,511,916.03

Finding the Fourth Proportional to 5,555,113.11, 8,331,827.72 and 1,511,916.03

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Solution

The fourth proportional to 5,555,113.11, 8,331,827.72 and 1,511,916.03 is: 2,267,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,113.11 : 8,331,827.72 = 1,511,916.03 : x
  2. Step 2: Convert to fraction form
    5,555,113.11/8,331,827.72 = 1,511,916.03/x
  3. Step 3: Cross multiply
    5,555,113.11x = 8,331,827.72 × 1,511,916.03
  4. Step 4: Simplify right side
    5,555,113.11x = 12,597,023,881,506.77
  5. Step 5: Solve for x
    x = 12,597,023,881,506.77/5,555,113.11
  6. Step 6: Final answer
    x = 2,267,644.89

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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.