Home / 7,881,018.30-11,821,527.45-4,512,455.10

Finding the Fourth Proportional to 7,881,018.30, 11,821,527.45 and 4,512,455.10

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Solution

The fourth proportional to 7,881,018.30, 11,821,527.45 and 4,512,455.10 is: 6,768,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,018.30 : 11,821,527.45 = 4,512,455.10 : x
  2. Step 2: Convert to fraction form
    7,881,018.30/11,821,527.45 = 4,512,455.10/x
  3. Step 3: Cross multiply
    7,881,018.30x = 11,821,527.45 × 4,512,455.10
  4. Step 4: Simplify right side
    7,881,018.30x = 53,344,111,831,542.48
  5. Step 5: Solve for x
    x = 53,344,111,831,542.48/7,881,018.30
  6. Step 6: Final answer
    x = 6,768,682.65

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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.