Home / 11,666,127.32-17,500,031.75-4,477,661.21

Finding the Fourth Proportional to 11,666,127.32, 17,500,031.75 and 4,477,661.21

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Solution

The fourth proportional to 11,666,127.32, 17,500,031.75 and 4,477,661.21 is: 6,716,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,127.32 : 17,500,031.75 = 4,477,661.21 : x
  2. Step 2: Convert to fraction form
    11,666,127.32/17,500,031.75 = 4,477,661.21/x
  3. Step 3: Cross multiply
    11,666,127.32x = 17,500,031.75 × 4,477,661.21
  4. Step 4: Simplify right side
    11,666,127.32x = 78,359,213,362,105.20
  5. Step 5: Solve for x
    x = 78,359,213,362,105.20/11,666,127.32
  6. Step 6: Final answer
    x = 6,716,814.52

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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.