Home / 7,390,909.80-11,088,438.30-3,604,516.20

Finding the Fourth Proportional to 7,390,909.80, 11,088,438.30 and 3,604,516.20

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Solution

The fourth proportional to 7,390,909.80, 11,088,438.30 and 3,604,516.20 is: 5,407,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,909.80 : 11,088,438.30 = 3,604,516.20 : x
  2. Step 2: Convert to fraction form
    7,390,909.80/11,088,438.30 = 3,604,516.20/x
  3. Step 3: Cross multiply
    7,390,909.80x = 11,088,438.30 × 3,604,516.20
  4. Step 4: Simplify right side
    7,390,909.80x = 39,968,455,485,050.46
  5. Step 5: Solve for x
    x = 39,968,455,485,050.46/7,390,909.80
  6. Step 6: Final answer
    x = 5,407,785.59

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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.