Home / 8,318,155.60-12,477,233.40-7,184,414.80

Finding the Fourth Proportional to 8,318,155.60, 12,477,233.40 and 7,184,414.80

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Solution

The fourth proportional to 8,318,155.60, 12,477,233.40 and 7,184,414.80 is: 10,776,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,155.60 : 12,477,233.40 = 7,184,414.80 : x
  2. Step 2: Convert to fraction form
    8,318,155.60/12,477,233.40 = 7,184,414.80/x
  3. Step 3: Cross multiply
    8,318,155.60x = 12,477,233.40 × 7,184,414.80
  4. Step 4: Simplify right side
    8,318,155.60x = 89,641,620,302,014.33
  5. Step 5: Solve for x
    x = 89,641,620,302,014.33/8,318,155.60
  6. Step 6: Final answer
    x = 10,776,622.20

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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.