Home / 18,971,471.94-28,457,112.74-4,594,539.35

Finding the Fourth Proportional to 18,971,471.94, 28,457,112.74 and 4,594,539.35

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Solution

The fourth proportional to 18,971,471.94, 28,457,112.74 and 4,594,539.35 is: 6,891,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,471.94 : 28,457,112.74 = 4,594,539.35 : x
  2. Step 2: Convert to fraction form
    18,971,471.94/28,457,112.74 = 4,594,539.35/x
  3. Step 3: Cross multiply
    18,971,471.94x = 28,457,112.74 × 4,594,539.35
  4. Step 4: Simplify right side
    18,971,471.94x = 130,747,324,106,058.05
  5. Step 5: Solve for x
    x = 130,747,324,106,058.05/18,971,471.94
  6. Step 6: Final answer
    x = 6,891,785.97

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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.