Home / 7,392,574.80-11,088,855.72-2,782,422.36

Finding the Fourth Proportional to 7,392,574.80, 11,088,855.72 and 2,782,422.36

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Solution

The fourth proportional to 7,392,574.80, 11,088,855.72 and 2,782,422.36 is: 4,173,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,574.80 : 11,088,855.72 = 2,782,422.36 : x
  2. Step 2: Convert to fraction form
    7,392,574.80/11,088,855.72 = 2,782,422.36/x
  3. Step 3: Cross multiply
    7,392,574.80x = 11,088,855.72 × 2,782,422.36
  4. Step 4: Simplify right side
    7,392,574.80x = 30,853,880,102,141.90
  5. Step 5: Solve for x
    x = 30,853,880,102,141.90/7,392,574.80
  6. Step 6: Final answer
    x = 4,173,631.10

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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.