Home / 7,247,190.40-10,870,746.72-1,855,830.40

Finding the Fourth Proportional to 7,247,190.40, 10,870,746.72 and 1,855,830.40

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Solution

The fourth proportional to 7,247,190.40, 10,870,746.72 and 1,855,830.40 is: 2,783,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,190.40 : 10,870,746.72 = 1,855,830.40 : x
  2. Step 2: Convert to fraction form
    7,247,190.40/10,870,746.72 = 1,855,830.40/x
  3. Step 3: Cross multiply
    7,247,190.40x = 10,870,746.72 × 1,855,830.40
  4. Step 4: Simplify right side
    7,247,190.40x = 20,174,262,233,676.29
  5. Step 5: Solve for x
    x = 20,174,262,233,676.29/7,247,190.40
  6. Step 6: Final answer
    x = 2,783,735.64

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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.