Home / 18,638,009.37-25,714,287.81-10,897,571.61

Finding the Fourth Proportional to 18,638,009.37, 25,714,287.81 and 10,897,571.61

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Solution

The fourth proportional to 18,638,009.37, 25,714,287.81 and 10,897,571.61 is: 15,035,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,009.37 : 25,714,287.81 = 10,897,571.61 : x
  2. Step 2: Convert to fraction form
    18,638,009.37/25,714,287.81 = 10,897,571.61/x
  3. Step 3: Cross multiply
    18,638,009.37x = 25,714,287.81 × 10,897,571.61
  4. Step 4: Simplify right side
    18,638,009.37x = 280,223,292,809,625.03
  5. Step 5: Solve for x
    x = 280,223,292,809,625.03/18,638,009.37
  6. Step 6: Final answer
    x = 15,035,044.10

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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.