Home / 38,766,586.40-53,498,243.04-21,363,556.04

Finding the Fourth Proportional to 38,766,586.40, 53,498,243.04 and 21,363,556.04

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Solution

The fourth proportional to 38,766,586.40, 53,498,243.04 and 21,363,556.04 is: 29,481,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766,586.40 : 53,498,243.04 = 21,363,556.04 : x
  2. Step 2: Convert to fraction form
    38,766,586.40/53,498,243.04 = 21,363,556.04/x
  3. Step 3: Cross multiply
    38,766,586.40x = 53,498,243.04 × 21,363,556.04
  4. Step 4: Simplify right side
    38,766,586.40x = 1,142,912,713,226,580
  5. Step 5: Solve for x
    x = 1,142,912,713,226,580/38,766,586.40
  6. Step 6: Final answer
    x = 29,481,902.31

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1.5x scale

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.