Home / 19,728,554.40-29,592,831.60-12,571,815.60

Finding the Fourth Proportional to 19,728,554.40, 29,592,831.60 and 12,571,815.60

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Solution

The fourth proportional to 19,728,554.40, 29,592,831.60 and 12,571,815.60 is: 18,857,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728,554.40 : 29,592,831.60 = 12,571,815.60 : x
  2. Step 2: Convert to fraction form
    19,728,554.40/29,592,831.60 = 12,571,815.60/x
  3. Step 3: Cross multiply
    19,728,554.40x = 29,592,831.60 × 12,571,815.60
  4. Step 4: Simplify right side
    19,728,554.40x = 372,035,621,957,052.94
  5. Step 5: Solve for x
    x = 372,035,621,957,052.94/19,728,554.40
  6. Step 6: Final answer
    x = 18,857,723.40

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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.