Home / 16,680,116.57-23,006,692.04-15,307,892.53

Finding the Fourth Proportional to 16,680,116.57, 23,006,692.04 and 15,307,892.53

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Solution

The fourth proportional to 16,680,116.57, 23,006,692.04 and 15,307,892.53 is: 21,113,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680,116.57 : 23,006,692.04 = 15,307,892.53 : x
  2. Step 2: Convert to fraction form
    16,680,116.57/23,006,692.04 = 15,307,892.53/x
  3. Step 3: Cross multiply
    16,680,116.57x = 23,006,692.04 × 15,307,892.53
  4. Step 4: Simplify right side
    16,680,116.57x = 352,183,969,085,070.25
  5. Step 5: Solve for x
    x = 352,183,969,085,070.25/16,680,116.57
  6. Step 6: Final answer
    x = 21,113,999.28

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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.