Home / 6,128,801.20-9,193,201.80-5,184,017.20

Finding the Fourth Proportional to 6,128,801.20, 9,193,201.80 and 5,184,017.20

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Solution

The fourth proportional to 6,128,801.20, 9,193,201.80 and 5,184,017.20 is: 7,776,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,801.20 : 9,193,201.80 = 5,184,017.20 : x
  2. Step 2: Convert to fraction form
    6,128,801.20/9,193,201.80 = 5,184,017.20/x
  3. Step 3: Cross multiply
    6,128,801.20x = 9,193,201.80 × 5,184,017.20
  4. Step 4: Simplify right side
    6,128,801.20x = 47,657,716,254,270.97
  5. Step 5: Solve for x
    x = 47,657,716,254,270.97/6,128,801.20
  6. Step 6: Final answer
    x = 7,776,025.80

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Double scale
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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.