Home / 7,920,942.74-11,883,972.90-3,663,903.50

Finding the Fourth Proportional to 7,920,942.74, 11,883,972.90 and 3,663,903.50

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Solution

The fourth proportional to 7,920,942.74, 11,883,972.90 and 3,663,903.50 is: 5,497,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,942.74 : 11,883,972.90 = 3,663,903.50 : x
  2. Step 2: Convert to fraction form
    7,920,942.74/11,883,972.90 = 3,663,903.50/x
  3. Step 3: Cross multiply
    7,920,942.74x = 11,883,972.90 × 3,663,903.50
  4. Step 4: Simplify right side
    7,920,942.74x = 43,541,729,842,795.29
  5. Step 5: Solve for x
    x = 43,541,729,842,795.29/7,920,942.74
  6. Step 6: Final answer
    x = 5,497,038.84

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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.