Home / 13,362,272.72-18,440,344.94-7,854,637.02

Finding the Fourth Proportional to 13,362,272.72, 18,440,344.94 and 7,854,637.02

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Solution

The fourth proportional to 13,362,272.72, 18,440,344.94 and 7,854,637.02 is: 10,839,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,272.72 : 18,440,344.94 = 7,854,637.02 : x
  2. Step 2: Convert to fraction form
    13,362,272.72/18,440,344.94 = 7,854,637.02/x
  3. Step 3: Cross multiply
    13,362,272.72x = 18,440,344.94 × 7,854,637.02
  4. Step 4: Simplify right side
    13,362,272.72x = 144,842,216,027,293.69
  5. Step 5: Solve for x
    x = 144,842,216,027,293.69/13,362,272.72
  6. Step 6: Final answer
    x = 10,839,639.26

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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.