Home / 21,602,421.88-29,797,295.46-13,855,193.08

Finding the Fourth Proportional to 21,602,421.88, 29,797,295.46 and 13,855,193.08

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Solution

The fourth proportional to 21,602,421.88, 29,797,295.46 and 13,855,193.08 is: 19,111,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,421.88 : 29,797,295.46 = 13,855,193.08 : x
  2. Step 2: Convert to fraction form
    21,602,421.88/29,797,295.46 = 13,855,193.08/x
  3. Step 3: Cross multiply
    21,602,421.88x = 29,797,295.46 × 13,855,193.08
  4. Step 4: Simplify right side
    21,602,421.88x = 412,847,281,860,107.44
  5. Step 5: Solve for x
    x = 412,847,281,860,107.44/21,602,421.88
  6. Step 6: Final answer
    x = 19,111,157.27

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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.