Home / 12,158,343.33-16,778,911.54-6,651,590.44

Finding the Fourth Proportional to 12,158,343.33, 16,778,911.54 and 6,651,590.44

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Solution

The fourth proportional to 12,158,343.33, 16,778,911.54 and 6,651,590.44 is: 9,179,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,343.33 : 16,778,911.54 = 6,651,590.44 : x
  2. Step 2: Convert to fraction form
    12,158,343.33/16,778,911.54 = 6,651,590.44/x
  3. Step 3: Cross multiply
    12,158,343.33x = 16,778,911.54 × 6,651,590.44
  4. Step 4: Simplify right side
    12,158,343.33x = 111,606,447,509,175.11
  5. Step 5: Solve for x
    x = 111,606,447,509,175.11/12,158,343.33
  6. Step 6: Final answer
    x = 9,179,412.40

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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.