Home / 8,503,820.10-12,755,730.15-8,173,145.70

Finding the Fourth Proportional to 8,503,820.10, 12,755,730.15 and 8,173,145.70

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Solution

The fourth proportional to 8,503,820.10, 12,755,730.15 and 8,173,145.70 is: 12,259,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,820.10 : 12,755,730.15 = 8,173,145.70 : x
  2. Step 2: Convert to fraction form
    8,503,820.10/12,755,730.15 = 8,173,145.70/x
  3. Step 3: Cross multiply
    8,503,820.10x = 12,755,730.15 × 8,173,145.70
  4. Step 4: Simplify right side
    8,503,820.10x = 104,254,441,025,832.86
  5. Step 5: Solve for x
    x = 104,254,441,025,832.86/8,503,820.10
  6. Step 6: Final answer
    x = 12,259,718.55

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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.