Home / 10,942,023.60-16,389,415.80-7,115,648.40

Finding the Fourth Proportional to 10,942,023.60, 16,389,415.80 and 7,115,648.40

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Solution

The fourth proportional to 10,942,023.60, 16,389,415.80 and 7,115,648.40 is: 10,658,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942,023.60 : 16,389,415.80 = 7,115,648.40 : x
  2. Step 2: Convert to fraction form
    10,942,023.60/16,389,415.80 = 7,115,648.40/x
  3. Step 3: Cross multiply
    10,942,023.60x = 16,389,415.80 × 7,115,648.40
  4. Step 4: Simplify right side
    10,942,023.60x = 116,621,320,314,204.73
  5. Step 5: Solve for x
    x = 116,621,320,314,204.73/10,942,023.60
  6. Step 6: Final answer
    x = 10,658,112.67

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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.