Home / 13,412,628.72-18,509,835.96-9,499,395.60

Finding the Fourth Proportional to 13,412,628.72, 18,509,835.96 and 9,499,395.60

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Solution

The fourth proportional to 13,412,628.72, 18,509,835.96 and 9,499,395.60 is: 13,109,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,628.72 : 18,509,835.96 = 9,499,395.60 : x
  2. Step 2: Convert to fraction form
    13,412,628.72/18,509,835.96 = 9,499,395.60/x
  3. Step 3: Cross multiply
    13,412,628.72x = 18,509,835.96 × 9,499,395.60
  4. Step 4: Simplify right side
    13,412,628.72x = 175,832,254,275,145.78
  5. Step 5: Solve for x
    x = 175,832,254,275,145.78/13,412,628.72
  6. Step 6: Final answer
    x = 13,109,455.12

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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.