Home / 8,822,719.10-13,234,078.65-3,143,128.70

Finding the Fourth Proportional to 8,822,719.10, 13,234,078.65 and 3,143,128.70

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Solution

The fourth proportional to 8,822,719.10, 13,234,078.65 and 3,143,128.70 is: 4,714,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822,719.10 : 13,234,078.65 = 3,143,128.70 : x
  2. Step 2: Convert to fraction form
    8,822,719.10/13,234,078.65 = 3,143,128.70/x
  3. Step 3: Cross multiply
    8,822,719.10x = 13,234,078.65 × 3,143,128.70
  4. Step 4: Simplify right side
    8,822,719.10x = 41,596,412,422,872.26
  5. Step 5: Solve for x
    x = 41,596,412,422,872.26/8,822,719.10
  6. Step 6: Final answer
    x = 4,714,693.05

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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.