Home / 7,078,006.68-10,615,284.24-1,960,303.56

Finding the Fourth Proportional to 7,078,006.68, 10,615,284.24 and 1,960,303.56

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Solution

The fourth proportional to 7,078,006.68, 10,615,284.24 and 1,960,303.56 is: 2,939,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,006.68 : 10,615,284.24 = 1,960,303.56 : x
  2. Step 2: Convert to fraction form
    7,078,006.68/10,615,284.24 = 1,960,303.56/x
  3. Step 3: Cross multiply
    7,078,006.68x = 10,615,284.24 × 1,960,303.56
  4. Step 4: Simplify right side
    7,078,006.68x = 20,809,179,486,083.89
  5. Step 5: Solve for x
    x = 20,809,179,486,083.89/7,078,006.68
  6. Step 6: Final answer
    x = 2,939,977.37

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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.