Home / 7,928,075.25-10,942,278.21-5,169,974.31

Finding the Fourth Proportional to 7,928,075.25, 10,942,278.21 and 5,169,974.31

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Solution

The fourth proportional to 7,928,075.25, 10,942,278.21 and 5,169,974.31 is: 7,135,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,075.25 : 10,942,278.21 = 5,169,974.31 : x
  2. Step 2: Convert to fraction form
    7,928,075.25/10,942,278.21 = 5,169,974.31/x
  3. Step 3: Cross multiply
    7,928,075.25x = 10,942,278.21 × 5,169,974.31
  4. Step 4: Simplify right side
    7,928,075.25x = 56,571,297,264,216.77
  5. Step 5: Solve for x
    x = 56,571,297,264,216.77/7,928,075.25
  6. Step 6: Final answer
    x = 7,135,565.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.