Home / 10,687,528.40-16,041,790.20-5,302,259.60

Finding the Fourth Proportional to 10,687,528.40, 16,041,790.20 and 5,302,259.60

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Solution

The fourth proportional to 10,687,528.40, 16,041,790.20 and 5,302,259.60 is: 7,958,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,528.40 : 16,041,790.20 = 5,302,259.60 : x
  2. Step 2: Convert to fraction form
    10,687,528.40/16,041,790.20 = 5,302,259.60/x
  3. Step 3: Cross multiply
    10,687,528.40x = 16,041,790.20 × 5,302,259.60
  4. Step 4: Simplify right side
    10,687,528.40x = 85,057,736,089,135.91
  5. Step 5: Solve for x
    x = 85,057,736,089,135.91/10,687,528.40
  6. Step 6: Final answer
    x = 7,958,597.43

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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.