Home / 38,986,362-53,799,048.09-21,341,851.26

Finding the Fourth Proportional to 38,986,362, 53,799,048.09 and 21,341,851.26

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Solution

The fourth proportional to 38,986,362, 53,799,048.09 and 21,341,851.26 is: 29,450,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,362 : 53,799,048.09 = 21,341,851.26 : x
  2. Step 2: Convert to fraction form
    38,986,362/53,799,048.09 = 21,341,851.26/x
  3. Step 3: Cross multiply
    38,986,362x = 53,799,048.09 × 21,341,851.26
  4. Step 4: Simplify right side
    38,986,362x = 1,148,171,282,266,367.25
  5. Step 5: Solve for x
    x = 1,148,171,282,266,367.25/38,986,362
  6. Step 6: Final answer
    x = 29,450,587.93

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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.