Home / 13,610,172.90-20,394,264.15-11,804,585.70

Finding the Fourth Proportional to 13,610,172.90, 20,394,264.15 and 11,804,585.70

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Solution

The fourth proportional to 13,610,172.90, 20,394,264.15 and 11,804,585.70 is: 17,688,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,172.90 : 20,394,264.15 = 11,804,585.70 : x
  2. Step 2: Convert to fraction form
    13,610,172.90/20,394,264.15 = 11,804,585.70/x
  3. Step 3: Cross multiply
    13,610,172.90x = 20,394,264.15 × 11,804,585.70
  4. Step 4: Simplify right side
    13,610,172.90x = 240,745,838,947,112.62
  5. Step 5: Solve for x
    x = 240,745,838,947,112.62/13,610,172.90
  6. Step 6: Final answer
    x = 17,688,668.67

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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.