Home / 25,889,661.79-35,741,166.10-18,912,505.75

Finding the Fourth Proportional to 25,889,661.79, 35,741,166.10 and 18,912,505.75

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Solution

The fourth proportional to 25,889,661.79, 35,741,166.10 and 18,912,505.75 is: 26,109,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889,661.79 : 35,741,166.10 = 18,912,505.75 : x
  2. Step 2: Convert to fraction form
    25,889,661.79/35,741,166.10 = 18,912,505.75/x
  3. Step 3: Cross multiply
    25,889,661.79x = 35,741,166.10 × 18,912,505.75
  4. Step 4: Simplify right side
    25,889,661.79x = 675,955,009,241,320.75
  5. Step 5: Solve for x
    x = 675,955,009,241,320.75/25,889,661.79
  6. Step 6: Final answer
    x = 26,109,070.67

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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.