Home / 21,014,578.08-31,522,811.37-6,440,429.94

Finding the Fourth Proportional to 21,014,578.08, 31,522,811.37 and 6,440,429.94

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Solution

The fourth proportional to 21,014,578.08, 31,522,811.37 and 6,440,429.94 is: 9,660,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,578.08 : 31,522,811.37 = 6,440,429.94 : x
  2. Step 2: Convert to fraction form
    21,014,578.08/31,522,811.37 = 6,440,429.94/x
  3. Step 3: Cross multiply
    21,014,578.08x = 31,522,811.37 × 6,440,429.94
  4. Step 4: Simplify right side
    21,014,578.08x = 203,020,458,140,320.44
  5. Step 5: Solve for x
    x = 203,020,458,140,320.44/21,014,578.08
  6. Step 6: Final answer
    x = 9,660,934.30

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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.