Home / 21,425,110.72-29,575,700.52-14,465,216.52

Finding the Fourth Proportional to 21,425,110.72, 29,575,700.52 and 14,465,216.52

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Solution

The fourth proportional to 21,425,110.72, 29,575,700.52 and 14,465,216.52 is: 19,968,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,110.72 : 29,575,700.52 = 14,465,216.52 : x
  2. Step 2: Convert to fraction form
    21,425,110.72/29,575,700.52 = 14,465,216.52/x
  3. Step 3: Cross multiply
    21,425,110.72x = 29,575,700.52 × 14,465,216.52
  4. Step 4: Simplify right side
    21,425,110.72x = 427,818,911,752,476.56
  5. Step 5: Solve for x
    x = 427,818,911,752,476.56/21,425,110.72
  6. Step 6: Final answer
    x = 19,968,107.39

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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.