Home / 13,957,109.76-20,935,642.74-4,373,223.78

Finding the Fourth Proportional to 13,957,109.76, 20,935,642.74 and 4,373,223.78

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Solution

The fourth proportional to 13,957,109.76, 20,935,642.74 and 4,373,223.78 is: 6,559,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957,109.76 : 20,935,642.74 = 4,373,223.78 : x
  2. Step 2: Convert to fraction form
    13,957,109.76/20,935,642.74 = 4,373,223.78/x
  3. Step 3: Cross multiply
    13,957,109.76x = 20,935,642.74 × 4,373,223.78
  4. Step 4: Simplify right side
    13,957,109.76x = 91,556,250,680,152.36
  5. Step 5: Solve for x
    x = 91,556,250,680,152.36/13,957,109.76
  6. Step 6: Final answer
    x = 6,559,828.81

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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.