Home / 19,526,207.79-26,940,712.81-15,383,379.77

Finding the Fourth Proportional to 19,526,207.79, 26,940,712.81 and 15,383,379.77

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Solution

The fourth proportional to 19,526,207.79, 26,940,712.81 and 15,383,379.77 is: 21,224,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526,207.79 : 26,940,712.81 = 15,383,379.77 : x
  2. Step 2: Convert to fraction form
    19,526,207.79/26,940,712.81 = 15,383,379.77/x
  3. Step 3: Cross multiply
    19,526,207.79x = 26,940,712.81 × 15,383,379.77
  4. Step 4: Simplify right side
    19,526,207.79x = 414,439,216,430,733.81
  5. Step 5: Solve for x
    x = 414,439,216,430,733.81/19,526,207.79
  6. Step 6: Final answer
    x = 21,224,767.29

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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.