Home / 7,168,586.14-9,892,597.26-3,905,399.89

Finding the Fourth Proportional to 7,168,586.14, 9,892,597.26 and 3,905,399.89

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Solution

The fourth proportional to 7,168,586.14, 9,892,597.26 and 3,905,399.89 is: 5,389,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,586.14 : 9,892,597.26 = 3,905,399.89 : x
  2. Step 2: Convert to fraction form
    7,168,586.14/9,892,597.26 = 3,905,399.89/x
  3. Step 3: Cross multiply
    7,168,586.14x = 9,892,597.26 × 3,905,399.89
  4. Step 4: Simplify right side
    7,168,586.14x = 38,634,548,251,018.30
  5. Step 5: Solve for x
    x = 38,634,548,251,018.30/7,168,586.14
  6. Step 6: Final answer
    x = 5,389,423.73

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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.