Home / 7,480,719.62-11,223,078.49-2,688,450.40

Finding the Fourth Proportional to 7,480,719.62, 11,223,078.49 and 2,688,450.40

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Solution

The fourth proportional to 7,480,719.62, 11,223,078.49 and 2,688,450.40 is: 4,033,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,719.62 : 11,223,078.49 = 2,688,450.40 : x
  2. Step 2: Convert to fraction form
    7,480,719.62/11,223,078.49 = 2,688,450.40/x
  3. Step 3: Cross multiply
    7,480,719.62x = 11,223,078.49 × 2,688,450.40
  4. Step 4: Simplify right side
    7,480,719.62x = 30,172,689,855,671.89
  5. Step 5: Solve for x
    x = 30,172,689,855,671.89/7,480,719.62
  6. Step 6: Final answer
    x = 4,033,394.03

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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.