Home / 21,255,398.90-29,331,506.96-11,836,675.77

Finding the Fourth Proportional to 21,255,398.90, 29,331,506.96 and 11,836,675.77

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Solution

The fourth proportional to 21,255,398.90, 29,331,506.96 and 11,836,675.77 is: 16,334,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,398.90 : 29,331,506.96 = 11,836,675.77 : x
  2. Step 2: Convert to fraction form
    21,255,398.90/29,331,506.96 = 11,836,675.77/x
  3. Step 3: Cross multiply
    21,255,398.90x = 29,331,506.96 × 11,836,675.77
  4. Step 4: Simplify right side
    21,255,398.90x = 347,187,537,752,886.88
  5. Step 5: Solve for x
    x = 347,187,537,752,886.88/21,255,398.90
  6. Step 6: Final answer
    x = 16,334,087.13

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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.