Home / 8,048,403.20-12,072,604.80-2,657,885.60

Finding the Fourth Proportional to 8,048,403.20, 12,072,604.80 and 2,657,885.60

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Solution

The fourth proportional to 8,048,403.20, 12,072,604.80 and 2,657,885.60 is: 3,986,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,403.20 : 12,072,604.80 = 2,657,885.60 : x
  2. Step 2: Convert to fraction form
    8,048,403.20/12,072,604.80 = 2,657,885.60/x
  3. Step 3: Cross multiply
    8,048,403.20x = 12,072,604.80 × 2,657,885.60
  4. Step 4: Simplify right side
    8,048,403.20x = 32,087,602,452,410.88
  5. Step 5: Solve for x
    x = 32,087,602,452,410.88/8,048,403.20
  6. Step 6: Final answer
    x = 3,986,828.40

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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.