Home / 18,040,755.60-27,065,113.68-5,262,260.40

Finding the Fourth Proportional to 18,040,755.60, 27,065,113.68 and 5,262,260.40

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Solution

The fourth proportional to 18,040,755.60, 27,065,113.68 and 5,262,260.40 is: 7,894,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040,755.60 : 27,065,113.68 = 5,262,260.40 : x
  2. Step 2: Convert to fraction form
    18,040,755.60/27,065,113.68 = 5,262,260.40/x
  3. Step 3: Cross multiply
    18,040,755.60x = 27,065,113.68 × 5,262,260.40
  4. Step 4: Simplify right side
    18,040,755.60x = 142,423,675,939,762.28
  5. Step 5: Solve for x
    x = 142,423,675,939,762.28/18,040,755.60
  6. Step 6: Final answer
    x = 7,894,551.60

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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.