Home / 10,057,920-13,879,929.60-5,474,274.20

Finding the Fourth Proportional to 10,057,920, 13,879,929.60 and 5,474,274.20

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Solution

The fourth proportional to 10,057,920, 13,879,929.60 and 5,474,274.20 is: 7,554,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057,920 : 13,879,929.60 = 5,474,274.20 : x
  2. Step 2: Convert to fraction form
    10,057,920/13,879,929.60 = 5,474,274.20/x
  3. Step 3: Cross multiply
    10,057,920x = 13,879,929.60 × 5,474,274.20
  4. Step 4: Simplify right side
    10,057,920x = 75,982,540,507,096.33
  5. Step 5: Solve for x
    x = 75,982,540,507,096.33/10,057,920
  6. Step 6: Final answer
    x = 7,554,498.40

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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.