Home / 9,566,731.42-13,201,911.60-5,215,855.30

Finding the Fourth Proportional to 9,566,731.42, 13,201,911.60 and 5,215,855.30

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Solution

The fourth proportional to 9,566,731.42, 13,201,911.60 and 5,215,855.30 is: 7,197,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,566,731.42 : 13,201,911.60 = 5,215,855.30 : x
  2. Step 2: Convert to fraction form
    9,566,731.42/13,201,911.60 = 5,215,855.30/x
  3. Step 3: Cross multiply
    9,566,731.42x = 13,201,911.60 × 5,215,855.30
  4. Step 4: Simplify right side
    9,566,731.42x = 68,859,260,588,991.48
  5. Step 5: Solve for x
    x = 68,859,260,588,991.48/9,566,731.42
  6. Step 6: Final answer
    x = 7,197,783.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.