Home / 12,588,787.80-18,883,181.70-4,075,234.20

Finding the Fourth Proportional to 12,588,787.80, 18,883,181.70 and 4,075,234.20

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Solution

The fourth proportional to 12,588,787.80, 18,883,181.70 and 4,075,234.20 is: 6,112,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,787.80 : 18,883,181.70 = 4,075,234.20 : x
  2. Step 2: Convert to fraction form
    12,588,787.80/18,883,181.70 = 4,075,234.20/x
  3. Step 3: Cross multiply
    12,588,787.80x = 18,883,181.70 × 4,075,234.20
  4. Step 4: Simplify right side
    12,588,787.80x = 76,953,387,868,654.14
  5. Step 5: Solve for x
    x = 76,953,387,868,654.14/12,588,787.80
  6. Step 6: Final answer
    x = 6,112,851.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.