Home / 8,143,317.10-12,221,864.70-3,354,443.20

Finding the Fourth Proportional to 8,143,317.10, 12,221,864.70 and 3,354,443.20

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Solution

The fourth proportional to 8,143,317.10, 12,221,864.70 and 3,354,443.20 is: 5,034,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,317.10 : 12,221,864.70 = 3,354,443.20 : x
  2. Step 2: Convert to fraction form
    8,143,317.10/12,221,864.70 = 3,354,443.20/x
  3. Step 3: Cross multiply
    8,143,317.10x = 12,221,864.70 × 3,354,443.20
  4. Step 4: Simplify right side
    8,143,317.10x = 40,997,550,934,235.04
  5. Step 5: Solve for x
    x = 40,997,550,934,235.04/8,143,317.10
  6. Step 6: Final answer
    x = 5,034,502.58

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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.