Home / 19,008,002.80-28,512,004.20-17,888,258.80

Finding the Fourth Proportional to 19,008,002.80, 28,512,004.20 and 17,888,258.80

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Solution

The fourth proportional to 19,008,002.80, 28,512,004.20 and 17,888,258.80 is: 26,832,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,002.80 : 28,512,004.20 = 17,888,258.80 : x
  2. Step 2: Convert to fraction form
    19,008,002.80/28,512,004.20 = 17,888,258.80/x
  3. Step 3: Cross multiply
    19,008,002.80x = 28,512,004.20 × 17,888,258.80
  4. Step 4: Simplify right side
    19,008,002.80x = 510,030,110,036,286.94
  5. Step 5: Solve for x
    x = 510,030,110,036,286.94/19,008,002.80
  6. Step 6: Final answer
    x = 26,832,388.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.