Home / 20,447,620.07-28,217,581.79-11,627,072.00

Finding the Fourth Proportional to 20,447,620.07, 28,217,581.79 and 11,627,072.00

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Solution

The fourth proportional to 20,447,620.07, 28,217,581.79 and 11,627,072.00 is: 16,045,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,620.07 : 28,217,581.79 = 11,627,072.00 : x
  2. Step 2: Convert to fraction form
    20,447,620.07/28,217,581.79 = 11,627,072.00/x
  3. Step 3: Cross multiply
    20,447,620.07x = 28,217,581.79 × 11,627,072.00
  4. Step 4: Simplify right side
    20,447,620.07x = 328,087,854,938,995.56
  5. Step 5: Solve for x
    x = 328,087,854,938,995.56/20,447,620.07
  6. Step 6: Final answer
    x = 16,045,283.21

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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.