Home / 7,638,300.60-10,540,644.08-4,200,541.63

Finding the Fourth Proportional to 7,638,300.60, 10,540,644.08 and 4,200,541.63

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Solution

The fourth proportional to 7,638,300.60, 10,540,644.08 and 4,200,541.63 is: 5,796,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,300.60 : 10,540,644.08 = 4,200,541.63 : x
  2. Step 2: Convert to fraction form
    7,638,300.60/10,540,644.08 = 4,200,541.63/x
  3. Step 3: Cross multiply
    7,638,300.60x = 10,540,644.08 × 4,200,541.63
  4. Step 4: Simplify right side
    7,638,300.60x = 44,276,414,265,053.05
  5. Step 5: Solve for x
    x = 44,276,414,265,053.05/7,638,300.60
  6. Step 6: Final answer
    x = 5,796,631.55

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Double scale
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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.