Home / 6,645,823.35-9,172,942.50-4,328,490.30

Finding the Fourth Proportional to 6,645,823.35, 9,172,942.50 and 4,328,490.30

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Solution

The fourth proportional to 6,645,823.35, 9,172,942.50 and 4,328,490.30 is: 5,974,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,823.35 : 9,172,942.50 = 4,328,490.30 : x
  2. Step 2: Convert to fraction form
    6,645,823.35/9,172,942.50 = 4,328,490.30/x
  3. Step 3: Cross multiply
    6,645,823.35x = 9,172,942.50 × 4,328,490.30
  4. Step 4: Simplify right side
    6,645,823.35x = 39,704,992,633,707.75
  5. Step 5: Solve for x
    x = 39,704,992,633,707.75/6,645,823.35
  6. Step 6: Final answer
    x = 5,974,427.93

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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.