Home / 19,715,658.59-27,208,653.45-11,877,638.21

Finding the Fourth Proportional to 19,715,658.59, 27,208,653.45 and 11,877,638.21

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Solution

The fourth proportional to 19,715,658.59, 27,208,653.45 and 11,877,638.21 is: 16,391,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715,658.59 : 27,208,653.45 = 11,877,638.21 : x
  2. Step 2: Convert to fraction form
    19,715,658.59/27,208,653.45 = 11,877,638.21/x
  3. Step 3: Cross multiply
    19,715,658.59x = 27,208,653.45 × 11,877,638.21
  4. Step 4: Simplify right side
    19,715,658.59x = 323,174,541,860,368.31
  5. Step 5: Solve for x
    x = 323,174,541,860,368.31/19,715,658.59
  6. Step 6: Final answer
    x = 16,391,770.04

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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.