Home / 28,411,886.45-39,219,065.46-18,622,961.12

Finding the Fourth Proportional to 28,411,886.45, 39,219,065.46 and 18,622,961.12

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Solution

The fourth proportional to 28,411,886.45, 39,219,065.46 and 18,622,961.12 is: 25,706,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,886.45 : 39,219,065.46 = 18,622,961.12 : x
  2. Step 2: Convert to fraction form
    28,411,886.45/39,219,065.46 = 18,622,961.12/x
  3. Step 3: Cross multiply
    28,411,886.45x = 39,219,065.46 × 18,622,961.12
  4. Step 4: Simplify right side
    28,411,886.45x = 730,375,131,028,219.50
  5. Step 5: Solve for x
    x = 730,375,131,028,219.50/28,411,886.45
  6. Step 6: Final answer
    x = 25,706,675.00

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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.