Home / 13,369,787.69-18,465,502.43-9,011,361.29

Finding the Fourth Proportional to 13,369,787.69, 18,465,502.43 and 9,011,361.29

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Solution

The fourth proportional to 13,369,787.69, 18,465,502.43 and 9,011,361.29 is: 12,445,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,787.69 : 18,465,502.43 = 9,011,361.29 : x
  2. Step 2: Convert to fraction form
    13,369,787.69/18,465,502.43 = 9,011,361.29/x
  3. Step 3: Cross multiply
    13,369,787.69x = 18,465,502.43 × 9,011,361.29
  4. Step 4: Simplify right side
    13,369,787.69x = 166,399,313,728,303.84
  5. Step 5: Solve for x
    x = 166,399,313,728,303.84/13,369,787.69
  6. Step 6: Final answer
    x = 12,445,920.43

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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.