Home / 18,720,280.80-25,833,523.80-10,459,836

Finding the Fourth Proportional to 18,720,280.80, 25,833,523.80 and 10,459,836

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Solution

The fourth proportional to 18,720,280.80, 25,833,523.80 and 10,459,836 is: 14,434,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,280.80 : 25,833,523.80 = 10,459,836 : x
  2. Step 2: Convert to fraction form
    18,720,280.80/25,833,523.80 = 10,459,836/x
  3. Step 3: Cross multiply
    18,720,280.80x = 25,833,523.80 × 10,459,836
  4. Step 4: Simplify right side
    18,720,280.80x = 270,214,422,250,096.81
  5. Step 5: Solve for x
    x = 270,214,422,250,096.81/18,720,280.80
  6. Step 6: Final answer
    x = 14,434,314.59

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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.