Home / 7,085,615.20-10,628,422.80-4,564,117.60

Finding the Fourth Proportional to 7,085,615.20, 10,628,422.80 and 4,564,117.60

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Solution

The fourth proportional to 7,085,615.20, 10,628,422.80 and 4,564,117.60 is: 6,846,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,615.20 : 10,628,422.80 = 4,564,117.60 : x
  2. Step 2: Convert to fraction form
    7,085,615.20/10,628,422.80 = 4,564,117.60/x
  3. Step 3: Cross multiply
    7,085,615.20x = 10,628,422.80 × 4,564,117.60
  4. Step 4: Simplify right side
    7,085,615.20x = 48,509,371,561,721.28
  5. Step 5: Solve for x
    x = 48,509,371,561,721.28/7,085,615.20
  6. Step 6: Final answer
    x = 6,846,176.40

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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.