Home / 14,919,775.91-22,379,590.05-12,891,848.78

Finding the Fourth Proportional to 14,919,775.91, 22,379,590.05 and 12,891,848.78

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Solution

The fourth proportional to 14,919,775.91, 22,379,590.05 and 12,891,848.78 is: 19,337,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,775.91 : 22,379,590.05 = 12,891,848.78 : x
  2. Step 2: Convert to fraction form
    14,919,775.91/22,379,590.05 = 12,891,848.78/x
  3. Step 3: Cross multiply
    14,919,775.91x = 22,379,590.05 × 12,891,848.78
  4. Step 4: Simplify right side
    14,919,775.91x = 288,514,290,682,992.62
  5. Step 5: Solve for x
    x = 288,514,290,682,992.62/14,919,775.91
  6. Step 6: Final answer
    x = 19,337,709.39

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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.