Home / 40,728,114.45-61,075,933.20-13,426,809.30

Finding the Fourth Proportional to 40,728,114.45, 61,075,933.20 and 13,426,809.30

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Solution

The fourth proportional to 40,728,114.45, 61,075,933.20 and 13,426,809.30 is: 20,134,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728,114.45 : 61,075,933.20 = 13,426,809.30 : x
  2. Step 2: Convert to fraction form
    40,728,114.45/61,075,933.20 = 13,426,809.30/x
  3. Step 3: Cross multiply
    40,728,114.45x = 61,075,933.20 × 13,426,809.30
  4. Step 4: Simplify right side
    40,728,114.45x = 820,054,907,895,938.88
  5. Step 5: Solve for x
    x = 820,054,907,895,938.88/40,728,114.45
  6. Step 6: Final answer
    x = 20,134,860.62

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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.