Home / 8,859,765.20-13,289,647.80-8,775,784.40

Finding the Fourth Proportional to 8,859,765.20, 13,289,647.80 and 8,775,784.40

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Solution

The fourth proportional to 8,859,765.20, 13,289,647.80 and 8,775,784.40 is: 13,163,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,765.20 : 13,289,647.80 = 8,775,784.40 : x
  2. Step 2: Convert to fraction form
    8,859,765.20/13,289,647.80 = 8,775,784.40/x
  3. Step 3: Cross multiply
    8,859,765.20x = 13,289,647.80 × 8,775,784.40
  4. Step 4: Simplify right side
    8,859,765.20x = 116,627,083,844,734.33
  5. Step 5: Solve for x
    x = 116,627,083,844,734.33/8,859,765.20
  6. Step 6: Final answer
    x = 13,163,676.60

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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.