Home / 21,893,893.18-30,214,203.66-12,104,969.67

Finding the Fourth Proportional to 21,893,893.18, 30,214,203.66 and 12,104,969.67

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Solution

The fourth proportional to 21,893,893.18, 30,214,203.66 and 12,104,969.67 is: 16,705,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,893.18 : 30,214,203.66 = 12,104,969.67 : x
  2. Step 2: Convert to fraction form
    21,893,893.18/30,214,203.66 = 12,104,969.67/x
  3. Step 3: Cross multiply
    21,893,893.18x = 30,214,203.66 × 12,104,969.67
  4. Step 4: Simplify right side
    21,893,893.18x = 365,742,018,907,503
  5. Step 5: Solve for x
    x = 365,742,018,907,503/21,893,893.18
  6. Step 6: Final answer
    x = 16,705,207.06

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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.