Home / 8,765,999.70-13,148,999.55-7,171,676.70

Finding the Fourth Proportional to 8,765,999.70, 13,148,999.55 and 7,171,676.70

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Solution

The fourth proportional to 8,765,999.70, 13,148,999.55 and 7,171,676.70 is: 10,757,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,999.70 : 13,148,999.55 = 7,171,676.70 : x
  2. Step 2: Convert to fraction form
    8,765,999.70/13,148,999.55 = 7,171,676.70/x
  3. Step 3: Cross multiply
    8,765,999.70x = 13,148,999.55 × 7,171,676.70
  4. Step 4: Simplify right side
    8,765,999.70x = 94,300,373,701,045.50
  5. Step 5: Solve for x
    x = 94,300,373,701,045.50/8,765,999.70
  6. Step 6: Final answer
    x = 10,757,515.05

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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.