Home / 18,124,930.28-24,999,669.42-11,928,002.60

Finding the Fourth Proportional to 18,124,930.28, 24,999,669.42 and 11,928,002.60

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Solution

The fourth proportional to 18,124,930.28, 24,999,669.42 and 11,928,002.60 is: 16,452,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,930.28 : 24,999,669.42 = 11,928,002.60 : x
  2. Step 2: Convert to fraction form
    18,124,930.28/24,999,669.42 = 11,928,002.60/x
  3. Step 3: Cross multiply
    18,124,930.28x = 24,999,669.42 × 11,928,002.60
  4. Step 4: Simplify right side
    18,124,930.28x = 298,196,121,840,900.50
  5. Step 5: Solve for x
    x = 298,196,121,840,900.50/18,124,930.28
  6. Step 6: Final answer
    x = 16,452,263.11

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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.