Home / 7,558,999.20-11,338,498.80-6,897,650.40

Finding the Fourth Proportional to 7,558,999.20, 11,338,498.80 and 6,897,650.40

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Solution

The fourth proportional to 7,558,999.20, 11,338,498.80 and 6,897,650.40 is: 10,346,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558,999.20 : 11,338,498.80 = 6,897,650.40 : x
  2. Step 2: Convert to fraction form
    7,558,999.20/11,338,498.80 = 6,897,650.40/x
  3. Step 3: Cross multiply
    7,558,999.20x = 11,338,498.80 × 6,897,650.40
  4. Step 4: Simplify right side
    7,558,999.20x = 78,209,000,783,219.53
  5. Step 5: Solve for x
    x = 78,209,000,783,219.53/7,558,999.20
  6. Step 6: Final answer
    x = 10,346,475.60

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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.