Home / 21,024,067.60-31,536,101.40-19,008,528.40

Finding the Fourth Proportional to 21,024,067.60, 31,536,101.40 and 19,008,528.40

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Solution

The fourth proportional to 21,024,067.60, 31,536,101.40 and 19,008,528.40 is: 28,512,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024,067.60 : 31,536,101.40 = 19,008,528.40 : x
  2. Step 2: Convert to fraction form
    21,024,067.60/31,536,101.40 = 19,008,528.40/x
  3. Step 3: Cross multiply
    21,024,067.60x = 31,536,101.40 × 19,008,528.40
  4. Step 4: Simplify right side
    21,024,067.60x = 599,454,879,087,179.62
  5. Step 5: Solve for x
    x = 599,454,879,087,179.62/21,024,067.60
  6. Step 6: Final answer
    x = 28,512,792.60

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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.