Home / 18,971,470.94-28,457,111.24-4,594,538.35

Finding the Fourth Proportional to 18,971,470.94, 28,457,111.24 and 4,594,538.35

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Solution

The fourth proportional to 18,971,470.94, 28,457,111.24 and 4,594,538.35 is: 6,891,784.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,470.94 : 28,457,111.24 = 4,594,538.35 : x
  2. Step 2: Convert to fraction form
    18,971,470.94/28,457,111.24 = 4,594,538.35/x
  3. Step 3: Cross multiply
    18,971,470.94x = 28,457,111.24 × 4,594,538.35
  4. Step 4: Simplify right side
    18,971,470.94x = 130,747,288,757,137.80
  5. Step 5: Solve for x
    x = 130,747,288,757,137.80/18,971,470.94
  6. Step 6: Final answer
    x = 6,891,784.47

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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.