Home / 30,340,081.61-41,880,698.66-19,886,771.59

Finding the Fourth Proportional to 30,340,081.61, 41,880,698.66 and 19,886,771.59

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Solution

The fourth proportional to 30,340,081.61, 41,880,698.66 and 19,886,771.59 is: 27,451,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,340,081.61 : 41,880,698.66 = 19,886,771.59 : x
  2. Step 2: Convert to fraction form
    30,340,081.61/41,880,698.66 = 19,886,771.59/x
  3. Step 3: Cross multiply
    30,340,081.61x = 41,880,698.66 × 19,886,771.59
  4. Step 4: Simplify right side
    30,340,081.61x = 832,871,888,076,903.38
  5. Step 5: Solve for x
    x = 832,871,888,076,903.38/30,340,081.61
  6. Step 6: Final answer
    x = 27,451,207.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.