Home / 20,678,620.60-31,019,097.30-6,302,157.40

Finding the Fourth Proportional to 20,678,620.60, 31,019,097.30 and 6,302,157.40

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Solution

The fourth proportional to 20,678,620.60, 31,019,097.30 and 6,302,157.40 is: 9,453,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,620.60 : 31,019,097.30 = 6,302,157.40 : x
  2. Step 2: Convert to fraction form
    20,678,620.60/31,019,097.30 = 6,302,157.40/x
  3. Step 3: Cross multiply
    20,678,620.60x = 31,019,097.30 × 6,302,157.40
  4. Step 4: Simplify right side
    20,678,620.60x = 195,487,233,590,515.03
  5. Step 5: Solve for x
    x = 195,487,233,590,515.03/20,678,620.60
  6. Step 6: Final answer
    x = 9,453,591.58

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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.