Home / 19,214,934.30-28,822,401.45-18,385,623.90

Finding the Fourth Proportional to 19,214,934.30, 28,822,401.45 and 18,385,623.90

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Solution

The fourth proportional to 19,214,934.30, 28,822,401.45 and 18,385,623.90 is: 27,578,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214,934.30 : 28,822,401.45 = 18,385,623.90 : x
  2. Step 2: Convert to fraction form
    19,214,934.30/28,822,401.45 = 18,385,623.90/x
  3. Step 3: Cross multiply
    19,214,934.30x = 28,822,401.45 × 18,385,623.90
  4. Step 4: Simplify right side
    19,214,934.30x = 529,917,832,954,514.62
  5. Step 5: Solve for x
    x = 529,917,832,954,514.62/19,214,934.30
  6. Step 6: Final answer
    x = 27,578,435.85

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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.