Home / 13,248,173.70-18,284,415.93-7,447,433.22

Finding the Fourth Proportional to 13,248,173.70, 18,284,415.93 and 7,447,433.22

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Solution

The fourth proportional to 13,248,173.70, 18,284,415.93 and 7,447,433.22 is: 10,278,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,173.70 : 18,284,415.93 = 7,447,433.22 : x
  2. Step 2: Convert to fraction form
    13,248,173.70/18,284,415.93 = 7,447,433.22/x
  3. Step 3: Cross multiply
    13,248,173.70x = 18,284,415.93 × 7,447,433.22
  4. Step 4: Simplify right side
    13,248,173.70x = 136,171,966,605,379.19
  5. Step 5: Solve for x
    x = 136,171,966,605,379.19/13,248,173.70
  6. Step 6: Final answer
    x = 10,278,546.29

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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.