Home / 20,393,592-28,089,546.12-15,674,964

Finding the Fourth Proportional to 20,393,592, 28,089,546.12 and 15,674,964

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Solution

The fourth proportional to 20,393,592, 28,089,546.12 and 15,674,964 is: 21,590,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,592 : 28,089,546.12 = 15,674,964 : x
  2. Step 2: Convert to fraction form
    20,393,592/28,089,546.12 = 15,674,964/x
  3. Step 3: Cross multiply
    20,393,592x = 28,089,546.12 × 15,674,964
  4. Step 4: Simplify right side
    20,393,592x = 440,302,624,207,339.69
  5. Step 5: Solve for x
    x = 440,302,624,207,339.69/20,393,592
  6. Step 6: Final answer
    x = 21,590,243.85

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1.5x scale

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.