Home / 19,152,145.80-28,728,218.70-6,373,067.40

Finding the Fourth Proportional to 19,152,145.80, 28,728,218.70 and 6,373,067.40

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Solution

The fourth proportional to 19,152,145.80, 28,728,218.70 and 6,373,067.40 is: 9,559,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,145.80 : 28,728,218.70 = 6,373,067.40 : x
  2. Step 2: Convert to fraction form
    19,152,145.80/28,728,218.70 = 6,373,067.40/x
  3. Step 3: Cross multiply
    19,152,145.80x = 28,728,218.70 × 6,373,067.40
  4. Step 4: Simplify right side
    19,152,145.80x = 183,086,874,057,040.38
  5. Step 5: Solve for x
    x = 183,086,874,057,040.38/19,152,145.80
  6. Step 6: Final answer
    x = 9,559,601.10

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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.