Home / 8,666,602.80-11,963,774.36-5,728,189.68

Finding the Fourth Proportional to 8,666,602.80, 11,963,774.36 and 5,728,189.68

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Solution

The fourth proportional to 8,666,602.80, 11,963,774.36 and 5,728,189.68 is: 7,907,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,602.80 : 11,963,774.36 = 5,728,189.68 : x
  2. Step 2: Convert to fraction form
    8,666,602.80/11,963,774.36 = 5,728,189.68/x
  3. Step 3: Cross multiply
    8,666,602.80x = 11,963,774.36 × 5,728,189.68
  4. Step 4: Simplify right side
    8,666,602.80x = 68,530,768,822,800.60
  5. Step 5: Solve for x
    x = 68,530,768,822,800.60/8,666,602.80
  6. Step 6: Final answer
    x = 7,907,454.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.