Home / 13,509,159.54-18,642,790.26-7,314,343.44

Finding the Fourth Proportional to 13,509,159.54, 18,642,790.26 and 7,314,343.44

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Solution

The fourth proportional to 13,509,159.54, 18,642,790.26 and 7,314,343.44 is: 10,093,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,159.54 : 18,642,790.26 = 7,314,343.44 : x
  2. Step 2: Convert to fraction form
    13,509,159.54/18,642,790.26 = 7,314,343.44/x
  3. Step 3: Cross multiply
    13,509,159.54x = 18,642,790.26 × 7,314,343.44
  4. Step 4: Simplify right side
    13,509,159.54x = 136,359,770,641,526.91
  5. Step 5: Solve for x
    x = 136,359,770,641,526.91/13,509,159.54
  6. Step 6: Final answer
    x = 10,093,875.21

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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.