Home / 12,980,233.43-19,470,383.14-5,303,878.30

Finding the Fourth Proportional to 12,980,233.43, 19,470,383.14 and 5,303,878.30

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Solution

The fourth proportional to 12,980,233.43, 19,470,383.14 and 5,303,878.30 is: 7,955,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,233.43 : 19,470,383.14 = 5,303,878.30 : x
  2. Step 2: Convert to fraction form
    12,980,233.43/19,470,383.14 = 5,303,878.30/x
  3. Step 3: Cross multiply
    12,980,233.43x = 19,470,383.14 × 5,303,878.30
  4. Step 4: Simplify right side
    12,980,233.43x = 103,268,542,566,996.22
  5. Step 5: Solve for x
    x = 103,268,542,566,996.22/12,980,233.43
  6. Step 6: Final answer
    x = 7,955,830.93

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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.