Home / 8,075,377.79-11,143,628.15-4,812,119.85

Finding the Fourth Proportional to 8,075,377.79, 11,143,628.15 and 4,812,119.85

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Solution

The fourth proportional to 8,075,377.79, 11,143,628.15 and 4,812,119.85 is: 6,640,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,377.79 : 11,143,628.15 = 4,812,119.85 : x
  2. Step 2: Convert to fraction form
    8,075,377.79/11,143,628.15 = 4,812,119.85/x
  3. Step 3: Cross multiply
    8,075,377.79x = 11,143,628.15 × 4,812,119.85
  4. Step 4: Simplify right side
    8,075,377.79x = 53,624,474,197,573.17
  5. Step 5: Solve for x
    x = 53,624,474,197,573.17/8,075,377.79
  6. Step 6: Final answer
    x = 6,640,491.09

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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.