Home / 21,064,121.46-29,068,480.53-11,406,329.46

Finding the Fourth Proportional to 21,064,121.46, 29,068,480.53 and 11,406,329.46

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Solution

The fourth proportional to 21,064,121.46, 29,068,480.53 and 11,406,329.46 is: 15,740,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,121.46 : 29,068,480.53 = 11,406,329.46 : x
  2. Step 2: Convert to fraction form
    21,064,121.46/29,068,480.53 = 11,406,329.46/x
  3. Step 3: Cross multiply
    21,064,121.46x = 29,068,480.53 × 11,406,329.46
  4. Step 4: Simplify right side
    21,064,121.46x = 331,564,665,826,775.44
  5. Step 5: Solve for x
    x = 331,564,665,826,775.44/21,064,121.46
  6. Step 6: Final answer
    x = 15,740,730.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.