Home / 15,431,012.60-23,147,781.06-7,750,708.28

Finding the Fourth Proportional to 15,431,012.60, 23,147,781.06 and 7,750,708.28

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Solution

The fourth proportional to 15,431,012.60, 23,147,781.06 and 7,750,708.28 is: 11,626,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,012.60 : 23,147,781.06 = 7,750,708.28 : x
  2. Step 2: Convert to fraction form
    15,431,012.60/23,147,781.06 = 7,750,708.28/x
  3. Step 3: Cross multiply
    15,431,012.60x = 23,147,781.06 × 7,750,708.28
  4. Step 4: Simplify right side
    15,431,012.60x = 179,411,698,325,369.19
  5. Step 5: Solve for x
    x = 179,411,698,325,369.19/15,431,012.60
  6. Step 6: Final answer
    x = 11,626,696.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.