Home / 12,775,278.96-17,585,136.72-11,140,802.64

Finding the Fourth Proportional to 12,775,278.96, 17,585,136.72 and 11,140,802.64

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Solution

The fourth proportional to 12,775,278.96, 17,585,136.72 and 11,140,802.64 is: 15,335,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,278.96 : 17,585,136.72 = 11,140,802.64 : x
  2. Step 2: Convert to fraction form
    12,775,278.96/17,585,136.72 = 11,140,802.64/x
  3. Step 3: Cross multiply
    12,775,278.96x = 17,585,136.72 × 11,140,802.64
  4. Step 4: Simplify right side
    12,775,278.96x = 195,912,537,594,936.94
  5. Step 5: Solve for x
    x = 195,912,537,594,936.94/12,775,278.96
  6. Step 6: Final answer
    x = 15,335,284.51

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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.