Home / 10,866,999.60-16,300,499.40-7,855,500.60

Finding the Fourth Proportional to 10,866,999.60, 16,300,499.40 and 7,855,500.60

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Solution

The fourth proportional to 10,866,999.60, 16,300,499.40 and 7,855,500.60 is: 11,783,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,999.60 : 16,300,499.40 = 7,855,500.60 : x
  2. Step 2: Convert to fraction form
    10,866,999.60/16,300,499.40 = 7,855,500.60/x
  3. Step 3: Cross multiply
    10,866,999.60x = 16,300,499.40 × 7,855,500.60
  4. Step 4: Simplify right side
    10,866,999.60x = 128,048,582,816,999.64
  5. Step 5: Solve for x
    x = 128,048,582,816,999.64/10,866,999.60
  6. Step 6: Final answer
    x = 11,783,250.90

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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.