Home / 14,178,830.40-21,268,245.60-6,993,806.40

Finding the Fourth Proportional to 14,178,830.40, 21,268,245.60 and 6,993,806.40

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Solution

The fourth proportional to 14,178,830.40, 21,268,245.60 and 6,993,806.40 is: 10,490,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,830.40 : 21,268,245.60 = 6,993,806.40 : x
  2. Step 2: Convert to fraction form
    14,178,830.40/21,268,245.60 = 6,993,806.40/x
  3. Step 3: Cross multiply
    14,178,830.40x = 21,268,245.60 × 6,993,806.40
  4. Step 4: Simplify right side
    14,178,830.40x = 148,745,992,194,051.84
  5. Step 5: Solve for x
    x = 148,745,992,194,051.84/14,178,830.40
  6. Step 6: Final answer
    x = 10,490,709.60

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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.