Home / 31,077,289.60-42,886,839.36-17,327,109.76

Finding the Fourth Proportional to 31,077,289.60, 42,886,839.36 and 17,327,109.76

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Solution

The fourth proportional to 31,077,289.60, 42,886,839.36 and 17,327,109.76 is: 23,911,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077,289.60 : 42,886,839.36 = 17,327,109.76 : x
  2. Step 2: Convert to fraction form
    31,077,289.60/42,886,839.36 = 17,327,109.76/x
  3. Step 3: Cross multiply
    31,077,289.60x = 42,886,839.36 × 17,327,109.76
  4. Step 4: Simplify right side
    31,077,289.60x = 743,104,972,850,208.25
  5. Step 5: Solve for x
    x = 743,104,972,850,208.25/31,077,289.60
  6. Step 6: Final answer
    x = 23,911,511.67

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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.