Home / 13,398,954.36-18,490,644.54-7,287,427.32

Finding the Fourth Proportional to 13,398,954.36, 18,490,644.54 and 7,287,427.32

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Solution

The fourth proportional to 13,398,954.36, 18,490,644.54 and 7,287,427.32 is: 10,056,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,954.36 : 18,490,644.54 = 7,287,427.32 : x
  2. Step 2: Convert to fraction form
    13,398,954.36/18,490,644.54 = 7,287,427.32/x
  3. Step 3: Cross multiply
    13,398,954.36x = 18,490,644.54 × 7,287,427.32
  4. Step 4: Simplify right side
    13,398,954.36x = 134,749,228,185,204.83
  5. Step 5: Solve for x
    x = 134,749,228,185,204.83/13,398,954.36
  6. Step 6: Final answer
    x = 10,056,697.30

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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.