Home / 13,141,354.69-18,135,435.32-7,261,369.41

Finding the Fourth Proportional to 13,141,354.69, 18,135,435.32 and 7,261,369.41

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Solution

The fourth proportional to 13,141,354.69, 18,135,435.32 and 7,261,369.41 is: 10,020,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,354.69 : 18,135,435.32 = 7,261,369.41 : x
  2. Step 2: Convert to fraction form
    13,141,354.69/18,135,435.32 = 7,261,369.41/x
  3. Step 3: Cross multiply
    13,141,354.69x = 18,135,435.32 × 7,261,369.41
  4. Step 4: Simplify right side
    13,141,354.69x = 131,688,095,202,354.25
  5. Step 5: Solve for x
    x = 131,688,095,202,354.25/13,141,354.69
  6. Step 6: Final answer
    x = 10,020,891.93

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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.