Home / 28,784,109-43,370,365.74-23,778,672.96

Finding the Fourth Proportional to 28,784,109, 43,370,365.74 and 23,778,672.96

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Solution

The fourth proportional to 28,784,109, 43,370,365.74 and 23,778,672.96 is: 35,828,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784,109 : 43,370,365.74 = 23,778,672.96 : x
  2. Step 2: Convert to fraction form
    28,784,109/43,370,365.74 = 23,778,672.96/x
  3. Step 3: Cross multiply
    28,784,109x = 43,370,365.74 × 23,778,672.96
  4. Step 4: Simplify right side
    28,784,109x = 1,031,289,743,087,048.50
  5. Step 5: Solve for x
    x = 1,031,289,743,087,048.50/28,784,109
  6. Step 6: Final answer
    x = 35,828,440.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.