Home / 12,954,866.43-19,435,039.95-4,867,912.13

Finding the Fourth Proportional to 12,954,866.43, 19,435,039.95 and 4,867,912.13

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Solution

The fourth proportional to 12,954,866.43, 19,435,039.95 and 4,867,912.13 is: 7,302,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,866.43 : 19,435,039.95 = 4,867,912.13 : x
  2. Step 2: Convert to fraction form
    12,954,866.43/19,435,039.95 = 4,867,912.13/x
  3. Step 3: Cross multiply
    12,954,866.43x = 19,435,039.95 × 4,867,912.13
  4. Step 4: Simplify right side
    12,954,866.43x = 94,608,066,598,124.83
  5. Step 5: Solve for x
    x = 94,608,066,598,124.83/12,954,866.43
  6. Step 6: Final answer
    x = 7,302,897.88

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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.