Home / 19,898,773.70-29,786,377.79-10,778,218.25

Finding the Fourth Proportional to 19,898,773.70, 29,786,377.79 and 10,778,218.25

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Solution

The fourth proportional to 19,898,773.70, 29,786,377.79 and 10,778,218.25 is: 16,133,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898,773.70 : 29,786,377.79 = 10,778,218.25 : x
  2. Step 2: Convert to fraction form
    19,898,773.70/29,786,377.79 = 10,778,218.25/x
  3. Step 3: Cross multiply
    19,898,773.70x = 29,786,377.79 × 10,778,218.25
  4. Step 4: Simplify right side
    19,898,773.70x = 321,044,080,575,586.31
  5. Step 5: Solve for x
    x = 321,044,080,575,586.31/19,898,773.70
  6. Step 6: Final answer
    x = 16,133,862.59

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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.