Home / 40,728,003.45-61,075,766.70-13,426,698.30

Finding the Fourth Proportional to 40,728,003.45, 61,075,766.70 and 13,426,698.30

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Solution

The fourth proportional to 40,728,003.45, 61,075,766.70 and 13,426,698.30 is: 20,134,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728,003.45 : 61,075,766.70 = 13,426,698.30 : x
  2. Step 2: Convert to fraction form
    40,728,003.45/61,075,766.70 = 13,426,698.30/x
  3. Step 3: Cross multiply
    40,728,003.45x = 61,075,766.70 × 13,426,698.30
  4. Step 4: Simplify right side
    40,728,003.45x = 820,045,892,922,086.75
  5. Step 5: Solve for x
    x = 820,045,892,922,086.75/40,728,003.45
  6. Step 6: Final answer
    x = 20,134,694.15

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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.