Home / 5,500,998.48-8,249,629.15-1,905,926.30

Finding the Fourth Proportional to 5,500,998.48, 8,249,629.15 and 1,905,926.30

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Solution

The fourth proportional to 5,500,998.48, 8,249,629.15 and 1,905,926.30 is: 2,858,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500,998.48 : 8,249,629.15 = 1,905,926.30 : x
  2. Step 2: Convert to fraction form
    5,500,998.48/8,249,629.15 = 1,905,926.30/x
  3. Step 3: Cross multiply
    5,500,998.48x = 8,249,629.15 × 1,905,926.30
  4. Step 4: Simplify right side
    5,500,998.48x = 15,723,185,162,231.65
  5. Step 5: Solve for x
    x = 15,723,185,162,231.65/5,500,998.48
  6. Step 6: Final answer
    x = 2,858,242.05

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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.