Home / 7,777,652.40-11,666,478.60-5,384,199.60

Finding the Fourth Proportional to 7,777,652.40, 11,666,478.60 and 5,384,199.60

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Solution

The fourth proportional to 7,777,652.40, 11,666,478.60 and 5,384,199.60 is: 8,076,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,652.40 : 11,666,478.60 = 5,384,199.60 : x
  2. Step 2: Convert to fraction form
    7,777,652.40/11,666,478.60 = 5,384,199.60/x
  3. Step 3: Cross multiply
    7,777,652.40x = 11,666,478.60 × 5,384,199.60
  4. Step 4: Simplify right side
    7,777,652.40x = 62,814,649,411,528.55
  5. Step 5: Solve for x
    x = 62,814,649,411,528.55/7,777,652.40
  6. Step 6: Final answer
    x = 8,076,299.40

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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.