Home / 18,667,716.10-28,001,574.15-17,072,080.90

Finding the Fourth Proportional to 18,667,716.10, 28,001,574.15 and 17,072,080.90

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Solution

The fourth proportional to 18,667,716.10, 28,001,574.15 and 17,072,080.90 is: 25,608,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,716.10 : 28,001,574.15 = 17,072,080.90 : x
  2. Step 2: Convert to fraction form
    18,667,716.10/28,001,574.15 = 17,072,080.90/x
  3. Step 3: Cross multiply
    18,667,716.10x = 28,001,574.15 × 17,072,080.90
  4. Step 4: Simplify right side
    18,667,716.10x = 478,045,139,216,148.69
  5. Step 5: Solve for x
    x = 478,045,139,216,148.69/18,667,716.10
  6. Step 6: Final answer
    x = 25,608,121.35

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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.