Home / 21,514,011-29,689,335.78-11,856,219

Finding the Fourth Proportional to 21,514,011, 29,689,335.78 and 11,856,219

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Solution

The fourth proportional to 21,514,011, 29,689,335.78 and 11,856,219 is: 16,361,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,011 : 29,689,335.78 = 11,856,219 : x
  2. Step 2: Convert to fraction form
    21,514,011/29,689,335.78 = 11,856,219/x
  3. Step 3: Cross multiply
    21,514,011x = 29,689,335.78 × 11,856,219
  4. Step 4: Simplify right side
    21,514,011x = 352,003,266,972,215.81
  5. Step 5: Solve for x
    x = 352,003,266,972,215.81/21,514,011
  6. Step 6: Final answer
    x = 16,361,582.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.