Home / 13,510,262.87-18,643,424.26-7,927,757.77

Finding the Fourth Proportional to 13,510,262.87, 18,643,424.26 and 7,927,757.77

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Solution

The fourth proportional to 13,510,262.87, 18,643,424.26 and 7,927,757.77 is: 10,939,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510,262.87 : 18,643,424.26 = 7,927,757.77 : x
  2. Step 2: Convert to fraction form
    13,510,262.87/18,643,424.26 = 7,927,757.77/x
  3. Step 3: Cross multiply
    13,510,262.87x = 18,643,424.26 × 7,927,757.77
  4. Step 4: Simplify right side
    13,510,262.87x = 147,800,551,536,621.50
  5. Step 5: Solve for x
    x = 147,800,551,536,621.50/13,510,262.87
  6. Step 6: Final answer
    x = 10,939,872.37

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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.