Home / 10,816,164.90-14,923,921.40-6,403,699.56

Finding the Fourth Proportional to 10,816,164.90, 14,923,921.40 and 6,403,699.56

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Solution

The fourth proportional to 10,816,164.90, 14,923,921.40 and 6,403,699.56 is: 8,835,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816,164.90 : 14,923,921.40 = 6,403,699.56 : x
  2. Step 2: Convert to fraction form
    10,816,164.90/14,923,921.40 = 6,403,699.56/x
  3. Step 3: Cross multiply
    10,816,164.90x = 14,923,921.40 × 6,403,699.56
  4. Step 4: Simplify right side
    10,816,164.90x = 95,568,308,902,654.58
  5. Step 5: Solve for x
    x = 95,568,308,902,654.58/10,816,164.90
  6. Step 6: Final answer
    x = 8,835,692.67

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1.5x scale

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.