Home / 7,243,889.80-9,996,509.46-3,936,155.08

Finding the Fourth Proportional to 7,243,889.80, 9,996,509.46 and 3,936,155.08

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Solution

The fourth proportional to 7,243,889.80, 9,996,509.46 and 3,936,155.08 is: 5,431,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,889.80 : 9,996,509.46 = 3,936,155.08 : x
  2. Step 2: Convert to fraction form
    7,243,889.80/9,996,509.46 = 3,936,155.08/x
  3. Step 3: Cross multiply
    7,243,889.80x = 9,996,509.46 × 3,936,155.08
  4. Step 4: Simplify right side
    7,243,889.80x = 39,347,811,493,247.06
  5. Step 5: Solve for x
    x = 39,347,811,493,247.06/7,243,889.80
  6. Step 6: Final answer
    x = 5,431,862.24

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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.