Home / 13,687,261.34-18,886,750.36-10,903,474.60

Finding the Fourth Proportional to 13,687,261.34, 18,886,750.36 and 10,903,474.60

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Solution

The fourth proportional to 13,687,261.34, 18,886,750.36 and 10,903,474.60 is: 15,045,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,261.34 : 18,886,750.36 = 10,903,474.60 : x
  2. Step 2: Convert to fraction form
    13,687,261.34/18,886,750.36 = 10,903,474.60/x
  3. Step 3: Cross multiply
    13,687,261.34x = 18,886,750.36 × 10,903,474.60
  4. Step 4: Simplify right side
    13,687,261.34x = 205,931,202,752,325.31
  5. Step 5: Solve for x
    x = 205,931,202,752,325.31/13,687,261.34
  6. Step 6: Final answer
    x = 15,045,464.37

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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.