Home / 10,692,605.20-16,038,907.80-3,120,336.40

Finding the Fourth Proportional to 10,692,605.20, 16,038,907.80 and 3,120,336.40

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Solution

The fourth proportional to 10,692,605.20, 16,038,907.80 and 3,120,336.40 is: 4,680,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,605.20 : 16,038,907.80 = 3,120,336.40 : x
  2. Step 2: Convert to fraction form
    10,692,605.20/16,038,907.80 = 3,120,336.40/x
  3. Step 3: Cross multiply
    10,692,605.20x = 16,038,907.80 × 3,120,336.40
  4. Step 4: Simplify right side
    10,692,605.20x = 50,046,787,824,583.92
  5. Step 5: Solve for x
    x = 50,046,787,824,583.92/10,692,605.20
  6. Step 6: Final answer
    x = 4,680,504.60

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Similar ratio
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1.5x scale

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.