Home / 39,145,212-54,020,392.56-21,975,804

Finding the Fourth Proportional to 39,145,212, 54,020,392.56 and 21,975,804

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Solution

The fourth proportional to 39,145,212, 54,020,392.56 and 21,975,804 is: 30,326,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145,212 : 54,020,392.56 = 21,975,804 : x
  2. Step 2: Convert to fraction form
    39,145,212/54,020,392.56 = 21,975,804/x
  3. Step 3: Cross multiply
    39,145,212x = 54,020,392.56 × 21,975,804
  4. Step 4: Simplify right side
    39,145,212x = 1,187,141,558,901,618.25
  5. Step 5: Solve for x
    x = 1,187,141,558,901,618.25/39,145,212
  6. Step 6: Final answer
    x = 30,326,609.52

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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.