Home / 16,720,688.49-25,075,015.55-5,787,907.61

Finding the Fourth Proportional to 16,720,688.49, 25,075,015.55 and 5,787,907.61

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Solution

The fourth proportional to 16,720,688.49, 25,075,015.55 and 5,787,907.61 is: 8,679,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,688.49 : 25,075,015.55 = 5,787,907.61 : x
  2. Step 2: Convert to fraction form
    16,720,688.49/25,075,015.55 = 5,787,907.61/x
  3. Step 3: Cross multiply
    16,720,688.49x = 25,075,015.55 × 5,787,907.61
  4. Step 4: Simplify right side
    16,720,688.49x = 145,131,873,322,713.34
  5. Step 5: Solve for x
    x = 145,131,873,322,713.34/16,720,688.49
  6. Step 6: Final answer
    x = 8,679,778.55

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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.