Home / 19,508,167.28-29,143,599.40-12,628,696.34

Finding the Fourth Proportional to 19,508,167.28, 29,143,599.40 and 12,628,696.34

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Solution

The fourth proportional to 19,508,167.28, 29,143,599.40 and 12,628,696.34 is: 18,866,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,167.28 : 29,143,599.40 = 12,628,696.34 : x
  2. Step 2: Convert to fraction form
    19,508,167.28/29,143,599.40 = 12,628,696.34/x
  3. Step 3: Cross multiply
    19,508,167.28x = 29,143,599.40 × 12,628,696.34
  4. Step 4: Simplify right side
    19,508,167.28x = 368,045,667,077,206.19
  5. Step 5: Solve for x
    x = 368,045,667,077,206.19/19,508,167.28
  6. Step 6: Final answer
    x = 18,866,234.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.