Home / 7,415,511.80-11,123,267.70-2,628,606.20

Finding the Fourth Proportional to 7,415,511.80, 11,123,267.70 and 2,628,606.20

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Solution

The fourth proportional to 7,415,511.80, 11,123,267.70 and 2,628,606.20 is: 3,942,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,511.80 : 11,123,267.70 = 2,628,606.20 : x
  2. Step 2: Convert to fraction form
    7,415,511.80/11,123,267.70 = 2,628,606.20/x
  3. Step 3: Cross multiply
    7,415,511.80x = 11,123,267.70 × 2,628,606.20
  4. Step 4: Simplify right side
    7,415,511.80x = 29,238,690,440,479.74
  5. Step 5: Solve for x
    x = 29,238,690,440,479.74/7,415,511.80
  6. Step 6: Final answer
    x = 3,942,909.30

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Double scale
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Similar ratio
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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.