Home / 21,585,339.41-29,788,157.84-11,796,196.19

Finding the Fourth Proportional to 21,585,339.41, 29,788,157.84 and 11,796,196.19

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Solution

The fourth proportional to 21,585,339.41, 29,788,157.84 and 11,796,196.19 is: 16,278,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585,339.41 : 29,788,157.84 = 11,796,196.19 : x
  2. Step 2: Convert to fraction form
    21,585,339.41/29,788,157.84 = 11,796,196.19/x
  3. Step 3: Cross multiply
    21,585,339.41x = 29,788,157.84 × 11,796,196.19
  4. Step 4: Simplify right side
    21,585,339.41x = 351,386,953,811,404.88
  5. Step 5: Solve for x
    x = 351,386,953,811,404.88/21,585,339.41
  6. Step 6: Final answer
    x = 16,278,963.57

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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.