Home / 13,287,075.58-18,336,164.53-7,175,504.08

Finding the Fourth Proportional to 13,287,075.58, 18,336,164.53 and 7,175,504.08

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Solution

The fourth proportional to 13,287,075.58, 18,336,164.53 and 7,175,504.08 is: 9,902,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,075.58 : 18,336,164.53 = 7,175,504.08 : x
  2. Step 2: Convert to fraction form
    13,287,075.58/18,336,164.53 = 7,175,504.08/x
  3. Step 3: Cross multiply
    13,287,075.58x = 18,336,164.53 × 7,175,504.08
  4. Step 4: Simplify right side
    13,287,075.58x = 131,571,223,396,566.30
  5. Step 5: Solve for x
    x = 131,571,223,396,566.30/13,287,075.58
  6. Step 6: Final answer
    x = 9,902,195.75

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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.