Home / 7,452,014.40-11,178,021.60-7,158,081.60

Finding the Fourth Proportional to 7,452,014.40, 11,178,021.60 and 7,158,081.60

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Solution

The fourth proportional to 7,452,014.40, 11,178,021.60 and 7,158,081.60 is: 10,737,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,014.40 : 11,178,021.60 = 7,158,081.60 : x
  2. Step 2: Convert to fraction form
    7,452,014.40/11,178,021.60 = 7,158,081.60/x
  3. Step 3: Cross multiply
    7,452,014.40x = 11,178,021.60 × 7,158,081.60
  4. Step 4: Simplify right side
    7,452,014.40x = 80,013,190,739,362.55
  5. Step 5: Solve for x
    x = 80,013,190,739,362.55/7,452,014.40
  6. Step 6: Final answer
    x = 10,737,122.40

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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.