Home / 21,555,256.67-29,741,813.70-12,386,127.95

Finding the Fourth Proportional to 21,555,256.67, 29,741,813.70 and 12,386,127.95

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Solution

The fourth proportional to 21,555,256.67, 29,741,813.70 and 12,386,127.95 is: 17,090,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,256.67 : 29,741,813.70 = 12,386,127.95 : x
  2. Step 2: Convert to fraction form
    21,555,256.67/29,741,813.70 = 12,386,127.95/x
  3. Step 3: Cross multiply
    21,555,256.67x = 29,741,813.70 × 12,386,127.95
  4. Step 4: Simplify right side
    21,555,256.67x = 368,385,909,804,553.88
  5. Step 5: Solve for x
    x = 368,385,909,804,553.88/21,555,256.67
  6. Step 6: Final answer
    x = 17,090,304.96

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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.