Home / 13,394,210.46-18,483,880.23-7,282,638.90

Finding the Fourth Proportional to 13,394,210.46, 18,483,880.23 and 7,282,638.90

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Solution

The fourth proportional to 13,394,210.46, 18,483,880.23 and 7,282,638.90 is: 10,049,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,210.46 : 18,483,880.23 = 7,282,638.90 : x
  2. Step 2: Convert to fraction form
    13,394,210.46/18,483,880.23 = 7,282,638.90/x
  3. Step 3: Cross multiply
    13,394,210.46x = 18,483,880.23 × 7,282,638.90
  4. Step 4: Simplify right side
    13,394,210.46x = 134,611,425,185,938.95
  5. Step 5: Solve for x
    x = 134,611,425,185,938.95/13,394,210.46
  6. Step 6: Final answer
    x = 10,049,970.89

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1.5x scale

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.