Home / 30,134,912.51-41,593,712.27-18,525,749.91

Finding the Fourth Proportional to 30,134,912.51, 41,593,712.27 and 18,525,749.91

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Solution

The fourth proportional to 30,134,912.51, 41,593,712.27 and 18,525,749.91 is: 25,570,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134,912.51 : 41,593,712.27 = 18,525,749.91 : x
  2. Step 2: Convert to fraction form
    30,134,912.51/41,593,712.27 = 18,525,749.91/x
  3. Step 3: Cross multiply
    30,134,912.51x = 41,593,712.27 × 18,525,749.91
  4. Step 4: Simplify right side
    30,134,912.51x = 770,554,711,249,889.62
  5. Step 5: Solve for x
    x = 770,554,711,249,889.62/30,134,912.51
  6. Step 6: Final answer
    x = 25,570,165.87

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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.