Home / 7,390,961.80-11,088,516.30-3,604,568.20

Finding the Fourth Proportional to 7,390,961.80, 11,088,516.30 and 3,604,568.20

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Solution

The fourth proportional to 7,390,961.80, 11,088,516.30 and 3,604,568.20 is: 5,407,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,961.80 : 11,088,516.30 = 3,604,568.20 : x
  2. Step 2: Convert to fraction form
    7,390,961.80/11,088,516.30 = 3,604,568.20/x
  3. Step 3: Cross multiply
    7,390,961.80x = 11,088,516.30 × 3,604,568.20
  4. Step 4: Simplify right side
    7,390,961.80x = 39,969,313,240,161.66
  5. Step 5: Solve for x
    x = 39,969,313,240,161.66/7,390,961.80
  6. Step 6: Final answer
    x = 5,407,863.59

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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.