Home / 18,521,839.06-25,559,806.49-10,261,735.67

Finding the Fourth Proportional to 18,521,839.06, 25,559,806.49 and 10,261,735.67

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Solution

The fourth proportional to 18,521,839.06, 25,559,806.49 and 10,261,735.67 is: 14,161,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,839.06 : 25,559,806.49 = 10,261,735.67 : x
  2. Step 2: Convert to fraction form
    18,521,839.06/25,559,806.49 = 10,261,735.67/x
  3. Step 3: Cross multiply
    18,521,839.06x = 25,559,806.49 × 10,261,735.67
  4. Step 4: Simplify right side
    18,521,839.06x = 262,287,977,976,730.47
  5. Step 5: Solve for x
    x = 262,287,977,976,730.47/18,521,839.06
  6. Step 6: Final answer
    x = 14,161,011.61

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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.