Home / 7,926,628.40-11,889,942.60-4,147,492.40

Finding the Fourth Proportional to 7,926,628.40, 11,889,942.60 and 4,147,492.40

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Solution

The fourth proportional to 7,926,628.40, 11,889,942.60 and 4,147,492.40 is: 6,221,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,628.40 : 11,889,942.60 = 4,147,492.40 : x
  2. Step 2: Convert to fraction form
    7,926,628.40/11,889,942.60 = 4,147,492.40/x
  3. Step 3: Cross multiply
    7,926,628.40x = 11,889,942.60 × 4,147,492.40
  4. Step 4: Simplify right side
    7,926,628.40x = 49,313,446,569,936.23
  5. Step 5: Solve for x
    x = 49,313,446,569,936.23/7,926,628.40
  6. Step 6: Final answer
    x = 6,221,238.60

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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.