Home / 14,947,820.55-20,627,992.31-8,072,302.14

Finding the Fourth Proportional to 14,947,820.55, 20,627,992.31 and 8,072,302.14

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Solution

The fourth proportional to 14,947,820.55, 20,627,992.31 and 8,072,302.14 is: 11,139,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,820.55 : 20,627,992.31 = 8,072,302.14 : x
  2. Step 2: Convert to fraction form
    14,947,820.55/20,627,992.31 = 8,072,302.14/x
  3. Step 3: Cross multiply
    14,947,820.55x = 20,627,992.31 × 8,072,302.14
  4. Step 4: Simplify right side
    14,947,820.55x = 166,515,386,427,555.03
  5. Step 5: Solve for x
    x = 166,515,386,427,555.03/14,947,820.55
  6. Step 6: Final answer
    x = 11,139,776.92

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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.