Home / 10,861,982.40-16,302,304.80-4,806,033.60

Finding the Fourth Proportional to 10,861,982.40, 16,302,304.80 and 4,806,033.60

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Solution

The fourth proportional to 10,861,982.40, 16,302,304.80 and 4,806,033.60 is: 7,213,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,982.40 : 16,302,304.80 = 4,806,033.60 : x
  2. Step 2: Convert to fraction form
    10,861,982.40/16,302,304.80 = 4,806,033.60/x
  3. Step 3: Cross multiply
    10,861,982.40x = 16,302,304.80 × 4,806,033.60
  4. Step 4: Simplify right side
    10,861,982.40x = 78,349,424,626,241.28
  5. Step 5: Solve for x
    x = 78,349,424,626,241.28/10,861,982.40
  6. Step 6: Final answer
    x = 7,213,179.12

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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.