Home / 21,514,221.73-29,688,759.81-11,724,455.74

Finding the Fourth Proportional to 21,514,221.73, 29,688,759.81 and 11,724,455.74

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Solution

The fourth proportional to 21,514,221.73, 29,688,759.81 and 11,724,455.74 is: 16,179,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,221.73 : 29,688,759.81 = 11,724,455.74 : x
  2. Step 2: Convert to fraction form
    21,514,221.73/29,688,759.81 = 11,724,455.74/x
  3. Step 3: Cross multiply
    21,514,221.73x = 29,688,759.81 × 11,724,455.74
  4. Step 4: Simplify right side
    21,514,221.73x = 348,084,550,367,835.81
  5. Step 5: Solve for x
    x = 348,084,550,367,835.81/21,514,221.73
  6. Step 6: Final answer
    x = 16,179,276.89

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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.