Home / 15,726,083.04-21,702,692.88-8,851,010.40

Finding the Fourth Proportional to 15,726,083.04, 21,702,692.88 and 8,851,010.40

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Solution

The fourth proportional to 15,726,083.04, 21,702,692.88 and 8,851,010.40 is: 12,214,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,083.04 : 21,702,692.88 = 8,851,010.40 : x
  2. Step 2: Convert to fraction form
    15,726,083.04/21,702,692.88 = 8,851,010.40/x
  3. Step 3: Cross multiply
    15,726,083.04x = 21,702,692.88 × 8,851,010.40
  4. Step 4: Simplify right side
    15,726,083.04x = 192,090,760,388,885.94
  5. Step 5: Solve for x
    x = 192,090,760,388,885.94/15,726,083.04
  6. Step 6: Final answer
    x = 12,214,787.36

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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.