Home / 12,303,766.70-18,450,120.45-4,728,214.70

Finding the Fourth Proportional to 12,303,766.70, 18,450,120.45 and 4,728,214.70

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Solution

The fourth proportional to 12,303,766.70, 18,450,120.45 and 4,728,214.70 is: 7,090,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,766.70 : 18,450,120.45 = 4,728,214.70 : x
  2. Step 2: Convert to fraction form
    12,303,766.70/18,450,120.45 = 4,728,214.70/x
  3. Step 3: Cross multiply
    12,303,766.70x = 18,450,120.45 × 4,728,214.70
  4. Step 4: Simplify right side
    12,303,766.70x = 87,236,130,728,460.61
  5. Step 5: Solve for x
    x = 87,236,130,728,460.61/12,303,766.70
  6. Step 6: Final answer
    x = 7,090,197.08

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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.