Home / 21,856,671.85-30,161,605.86-12,066,938.14

Finding the Fourth Proportional to 21,856,671.85, 30,161,605.86 and 12,066,938.14

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Solution

The fourth proportional to 21,856,671.85, 30,161,605.86 and 12,066,938.14 is: 16,652,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,671.85 : 30,161,605.86 = 12,066,938.14 : x
  2. Step 2: Convert to fraction form
    21,856,671.85/30,161,605.86 = 12,066,938.14/x
  3. Step 3: Cross multiply
    21,856,671.85x = 30,161,605.86 × 12,066,938.14
  4. Step 4: Simplify right side
    21,856,671.85x = 363,958,232,258,954.88
  5. Step 5: Solve for x
    x = 363,958,232,258,954.88/21,856,671.85
  6. Step 6: Final answer
    x = 16,652,042.67

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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.