Home / 13,533,828.12-18,676,707.84-7,422,300.36

Finding the Fourth Proportional to 13,533,828.12, 18,676,707.84 and 7,422,300.36

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Solution

The fourth proportional to 13,533,828.12, 18,676,707.84 and 7,422,300.36 is: 10,242,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,828.12 : 18,676,707.84 = 7,422,300.36 : x
  2. Step 2: Convert to fraction form
    13,533,828.12/18,676,707.84 = 7,422,300.36/x
  3. Step 3: Cross multiply
    13,533,828.12x = 18,676,707.84 × 7,422,300.36
  4. Step 4: Simplify right side
    13,533,828.12x = 138,624,135,324,446.83
  5. Step 5: Solve for x
    x = 138,624,135,324,446.83/13,533,828.12
  6. Step 6: Final answer
    x = 10,242,788.23

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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.