Home / 12,077,980.27-16,677,669.29-11,201,711.57

Finding the Fourth Proportional to 12,077,980.27, 16,677,669.29 and 11,201,711.57

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Solution

The fourth proportional to 12,077,980.27, 16,677,669.29 and 11,201,711.57 is: 15,467,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,980.27 : 16,677,669.29 = 11,201,711.57 : x
  2. Step 2: Convert to fraction form
    12,077,980.27/16,677,669.29 = 11,201,711.57/x
  3. Step 3: Cross multiply
    12,077,980.27x = 16,677,669.29 × 11,201,711.57
  4. Step 4: Simplify right side
    12,077,980.27x = 186,818,440,969,571.03
  5. Step 5: Solve for x
    x = 186,818,440,969,571.03/12,077,980.27
  6. Step 6: Final answer
    x = 15,467,688.87

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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.