Home / 8,193,609.10-12,290,413.65-5,642,692.30

Finding the Fourth Proportional to 8,193,609.10, 12,290,413.65 and 5,642,692.30

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Solution

The fourth proportional to 8,193,609.10, 12,290,413.65 and 5,642,692.30 is: 8,464,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,609.10 : 12,290,413.65 = 5,642,692.30 : x
  2. Step 2: Convert to fraction form
    8,193,609.10/12,290,413.65 = 5,642,692.30/x
  3. Step 3: Cross multiply
    8,193,609.10x = 12,290,413.65 × 5,642,692.30
  4. Step 4: Simplify right side
    8,193,609.10x = 69,351,022,466,669.90
  5. Step 5: Solve for x
    x = 69,351,022,466,669.90/8,193,609.10
  6. Step 6: Final answer
    x = 8,464,038.45

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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.