Home / 7,125,555.10-9,833,002.58-3,862,299.76

Finding the Fourth Proportional to 7,125,555.10, 9,833,002.58 and 3,862,299.76

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Solution

The fourth proportional to 7,125,555.10, 9,833,002.58 and 3,862,299.76 is: 5,329,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,555.10 : 9,833,002.58 = 3,862,299.76 : x
  2. Step 2: Convert to fraction form
    7,125,555.10/9,833,002.58 = 3,862,299.76/x
  3. Step 3: Cross multiply
    7,125,555.10x = 9,833,002.58 × 3,862,299.76
  4. Step 4: Simplify right side
    7,125,555.10x = 37,978,003,504,813.38
  5. Step 5: Solve for x
    x = 37,978,003,504,813.38/7,125,555.10
  6. Step 6: Final answer
    x = 5,329,830.87

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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.