Home / 11,812,205.11-17,737,530.81-7,291,987.96

Finding the Fourth Proportional to 11,812,205.11, 17,737,530.81 and 7,291,987.96

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Solution

The fourth proportional to 11,812,205.11, 17,737,530.81 and 7,291,987.96 is: 10,949,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,205.11 : 17,737,530.81 = 7,291,987.96 : x
  2. Step 2: Convert to fraction form
    11,812,205.11/17,737,530.81 = 7,291,987.96/x
  3. Step 3: Cross multiply
    11,812,205.11x = 17,737,530.81 × 7,291,987.96
  4. Step 4: Simplify right side
    11,812,205.11x = 129,341,861,106,649.03
  5. Step 5: Solve for x
    x = 129,341,861,106,649.03/11,812,205.11
  6. Step 6: Final answer
    x = 10,949,848.90

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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.