Home / 7,311,171.20-10,089,731.50-4,047,985.83

Finding the Fourth Proportional to 7,311,171.20, 10,089,731.50 and 4,047,985.83

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Solution

The fourth proportional to 7,311,171.20, 10,089,731.50 and 4,047,985.83 is: 5,586,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311,171.20 : 10,089,731.50 = 4,047,985.83 : x
  2. Step 2: Convert to fraction form
    7,311,171.20/10,089,731.50 = 4,047,985.83/x
  3. Step 3: Cross multiply
    7,311,171.20x = 10,089,731.50 × 4,047,985.83
  4. Step 4: Simplify right side
    7,311,171.20x = 40,843,090,140,504.65
  5. Step 5: Solve for x
    x = 40,843,090,140,504.65/7,311,171.20
  6. Step 6: Final answer
    x = 5,586,394.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.