Home / 13,586,261.72-18,749,040.54-7,474,559

Finding the Fourth Proportional to 13,586,261.72, 18,749,040.54 and 7,474,559

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Solution

The fourth proportional to 13,586,261.72, 18,749,040.54 and 7,474,559 is: 10,314,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,261.72 : 18,749,040.54 = 7,474,559 : x
  2. Step 2: Convert to fraction form
    13,586,261.72/18,749,040.54 = 7,474,559/x
  3. Step 3: Cross multiply
    13,586,261.72x = 18,749,040.54 × 7,474,559
  4. Step 4: Simplify right side
    13,586,261.72x = 140,140,809,709,621.86
  5. Step 5: Solve for x
    x = 140,140,809,709,621.86/13,586,261.72
  6. Step 6: Final answer
    x = 10,314,891.07

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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.