Home / 8,085,758.10-12,128,831.55-2,406,167.70

Finding the Fourth Proportional to 8,085,758.10, 12,128,831.55 and 2,406,167.70

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Solution

The fourth proportional to 8,085,758.10, 12,128,831.55 and 2,406,167.70 is: 3,609,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,758.10 : 12,128,831.55 = 2,406,167.70 : x
  2. Step 2: Convert to fraction form
    8,085,758.10/12,128,831.55 = 2,406,167.70/x
  3. Step 3: Cross multiply
    8,085,758.10x = 12,128,831.55 × 2,406,167.70
  4. Step 4: Simplify right side
    8,085,758.10x = 29,184,002,714,350.94
  5. Step 5: Solve for x
    x = 29,184,002,714,350.94/8,085,758.10
  6. Step 6: Final answer
    x = 3,609,309.40

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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.