Home / 19,778,725.76-29,666,939.55-5,945,385.78

Finding the Fourth Proportional to 19,778,725.76, 29,666,939.55 and 5,945,385.78

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Solution

The fourth proportional to 19,778,725.76, 29,666,939.55 and 5,945,385.78 is: 8,917,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,725.76 : 29,666,939.55 = 5,945,385.78 : x
  2. Step 2: Convert to fraction form
    19,778,725.76/29,666,939.55 = 5,945,385.78/x
  3. Step 3: Cross multiply
    19,778,725.76x = 29,666,939.55 × 5,945,385.78
  4. Step 4: Simplify right side
    19,778,725.76x = 176,381,400,514,394.41
  5. Step 5: Solve for x
    x = 176,381,400,514,394.41/19,778,725.76
  6. Step 6: Final answer
    x = 8,917,733.26

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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.