Home / 18,911,757.60-26,099,496-10,540,429.20

Finding the Fourth Proportional to 18,911,757.60, 26,099,496 and 10,540,429.20

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Solution

The fourth proportional to 18,911,757.60, 26,099,496 and 10,540,429.20 is: 14,546,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911,757.60 : 26,099,496 = 10,540,429.20 : x
  2. Step 2: Convert to fraction form
    18,911,757.60/26,099,496 = 10,540,429.20/x
  3. Step 3: Cross multiply
    18,911,757.60x = 26,099,496 × 10,540,429.20
  4. Step 4: Simplify right side
    18,911,757.60x = 275,099,889,743,683.19
  5. Step 5: Solve for x
    x = 275,099,889,743,683.19/18,911,757.60
  6. Step 6: Final answer
    x = 14,546,500.41

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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.