Home / 15,404,809.04-21,259,300.68-8,529,291.20

Finding the Fourth Proportional to 15,404,809.04, 21,259,300.68 and 8,529,291.20

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Solution

The fourth proportional to 15,404,809.04, 21,259,300.68 and 8,529,291.20 is: 11,770,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,809.04 : 21,259,300.68 = 8,529,291.20 : x
  2. Step 2: Convert to fraction form
    15,404,809.04/21,259,300.68 = 8,529,291.20/x
  3. Step 3: Cross multiply
    15,404,809.04x = 21,259,300.68 × 8,529,291.20
  4. Step 4: Simplify right side
    15,404,809.04x = 181,326,766,208,078
  5. Step 5: Solve for x
    x = 181,326,766,208,078/15,404,809.04
  6. Step 6: Final answer
    x = 11,770,789.61

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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.