Home / 18,817,407.53-25,977,147.28-12,620,187.44

Finding the Fourth Proportional to 18,817,407.53, 25,977,147.28 and 12,620,187.44

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Solution

The fourth proportional to 18,817,407.53, 25,977,147.28 and 12,620,187.44 is: 17,421,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817,407.53 : 25,977,147.28 = 12,620,187.44 : x
  2. Step 2: Convert to fraction form
    18,817,407.53/25,977,147.28 = 12,620,187.44/x
  3. Step 3: Cross multiply
    18,817,407.53x = 25,977,147.28 × 12,620,187.44
  4. Step 4: Simplify right side
    18,817,407.53x = 327,836,467,668,650
  5. Step 5: Solve for x
    x = 327,836,467,668,650/18,817,407.53
  6. Step 6: Final answer
    x = 17,421,978.41

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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.