Home / 18,619,636.56-25,692,070.62-10,359,486.60

Finding the Fourth Proportional to 18,619,636.56, 25,692,070.62 and 10,359,486.60

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Solution

The fourth proportional to 18,619,636.56, 25,692,070.62 and 10,359,486.60 is: 14,294,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,636.56 : 25,692,070.62 = 10,359,486.60 : x
  2. Step 2: Convert to fraction form
    18,619,636.56/25,692,070.62 = 10,359,486.60/x
  3. Step 3: Cross multiply
    18,619,636.56x = 25,692,070.62 × 10,359,486.60
  4. Step 4: Simplify right side
    18,619,636.56x = 266,156,661,314,143.69
  5. Step 5: Solve for x
    x = 266,156,661,314,143.69/18,619,636.56
  6. Step 6: Final answer
    x = 14,294,406.90

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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.