Home / 39,317,712.04-54,256,497.06-21,915,490.60

Finding the Fourth Proportional to 39,317,712.04, 54,256,497.06 and 21,915,490.60

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Solution

The fourth proportional to 39,317,712.04, 54,256,497.06 and 21,915,490.60 is: 30,242,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,317,712.04 : 54,256,497.06 = 21,915,490.60 : x
  2. Step 2: Convert to fraction form
    39,317,712.04/54,256,497.06 = 21,915,490.60/x
  3. Step 3: Cross multiply
    39,317,712.04x = 54,256,497.06 × 21,915,490.60
  4. Step 4: Simplify right side
    39,317,712.04x = 1,189,057,751,307,357.75
  5. Step 5: Solve for x
    x = 1,189,057,751,307,357.75/39,317,712.04
  6. Step 6: Final answer
    x = 30,242,292.59

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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.