Home / 13,610,168.90-20,394,258.15-11,804,581.70

Finding the Fourth Proportional to 13,610,168.90, 20,394,258.15 and 11,804,581.70

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Solution

The fourth proportional to 13,610,168.90, 20,394,258.15 and 11,804,581.70 is: 17,688,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,168.90 : 20,394,258.15 = 11,804,581.70 : x
  2. Step 2: Convert to fraction form
    13,610,168.90/20,394,258.15 = 11,804,581.70/x
  3. Step 3: Cross multiply
    13,610,168.90x = 20,394,258.15 × 11,804,581.70
  4. Step 4: Simplify right side
    13,610,168.90x = 240,745,686,542,565.81
  5. Step 5: Solve for x
    x = 240,745,686,542,565.81/13,610,168.90
  6. Step 6: Final answer
    x = 17,688,662.67

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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.