Home / 18,684,025.22-28,038,546.78-7,754,223.95

Finding the Fourth Proportional to 18,684,025.22, 28,038,546.78 and 7,754,223.95

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Solution

The fourth proportional to 18,684,025.22, 28,038,546.78 and 7,754,223.95 is: 11,636,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,025.22 : 28,038,546.78 = 7,754,223.95 : x
  2. Step 2: Convert to fraction form
    18,684,025.22/28,038,546.78 = 7,754,223.95/x
  3. Step 3: Cross multiply
    18,684,025.22x = 28,038,546.78 × 7,754,223.95
  4. Step 4: Simplify right side
    18,684,025.22x = 217,417,171,065,784.91
  5. Step 5: Solve for x
    x = 217,417,171,065,784.91/18,684,025.22
  6. Step 6: Final answer
    x = 11,636,527.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.