Home / 13,090,340.34-19,628,941.21-7,627,200.67

Finding the Fourth Proportional to 13,090,340.34, 19,628,941.21 and 7,627,200.67

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Solution

The fourth proportional to 13,090,340.34, 19,628,941.21 and 7,627,200.67 is: 11,436,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090,340.34 : 19,628,941.21 = 7,627,200.67 : x
  2. Step 2: Convert to fraction form
    13,090,340.34/19,628,941.21 = 7,627,200.67/x
  3. Step 3: Cross multiply
    13,090,340.34x = 19,628,941.21 × 7,627,200.67
  4. Step 4: Simplify right side
    13,090,340.34x = 149,713,873,553,770.78
  5. Step 5: Solve for x
    x = 149,713,873,553,770.78/13,090,340.34
  6. Step 6: Final answer
    x = 11,436,973.35

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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.