Home / 9,690,719.21-13,373,779.71-5,339,800.25

Finding the Fourth Proportional to 9,690,719.21, 13,373,779.71 and 5,339,800.25

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Solution

The fourth proportional to 9,690,719.21, 13,373,779.71 and 5,339,800.25 is: 7,369,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,719.21 : 13,373,779.71 = 5,339,800.25 : x
  2. Step 2: Convert to fraction form
    9,690,719.21/13,373,779.71 = 5,339,800.25/x
  3. Step 3: Cross multiply
    9,690,719.21x = 13,373,779.71 × 5,339,800.25
  4. Step 4: Simplify right side
    9,690,719.21x = 71,413,312,238,902.94
  5. Step 5: Solve for x
    x = 71,413,312,238,902.94/9,690,719.21
  6. Step 6: Final answer
    x = 7,369,247.91

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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.