Home / 20,005,075.82-30,004,136.40-5,624,730.70

Finding the Fourth Proportional to 20,005,075.82, 30,004,136.40 and 5,624,730.70

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Solution

The fourth proportional to 20,005,075.82, 30,004,136.40 and 5,624,730.70 is: 8,436,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,075.82 : 30,004,136.40 = 5,624,730.70 : x
  2. Step 2: Convert to fraction form
    20,005,075.82/30,004,136.40 = 5,624,730.70/x
  3. Step 3: Cross multiply
    20,005,075.82x = 30,004,136.40 × 5,624,730.70
  4. Step 4: Simplify right side
    20,005,075.82x = 168,765,187,136,067.47
  5. Step 5: Solve for x
    x = 168,765,187,136,067.47/20,005,075.82
  6. Step 6: Final answer
    x = 8,436,118.35

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1.5x scale

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.