Home / 28,078,307.70-42,309,116.60-23,072,865.18

Finding the Fourth Proportional to 28,078,307.70, 42,309,116.60 and 23,072,865.18

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Solution

The fourth proportional to 28,078,307.70, 42,309,116.60 and 23,072,865.18 is: 34,766,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,307.70 : 42,309,116.60 = 23,072,865.18 : x
  2. Step 2: Convert to fraction form
    28,078,307.70/42,309,116.60 = 23,072,865.18/x
  3. Step 3: Cross multiply
    28,078,307.70x = 42,309,116.60 × 23,072,865.18
  4. Step 4: Simplify right side
    28,078,307.70x = 976,192,543,081,335.62
  5. Step 5: Solve for x
    x = 976,192,543,081,335.62/28,078,307.70
  6. Step 6: Final answer
    x = 34,766,787.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.