Home / 13,146,780.19-19,809,906.66-10,803,125.38

Finding the Fourth Proportional to 13,146,780.19, 19,809,906.66 and 10,803,125.38

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Solution

The fourth proportional to 13,146,780.19, 19,809,906.66 and 10,803,125.38 is: 16,278,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,780.19 : 19,809,906.66 = 10,803,125.38 : x
  2. Step 2: Convert to fraction form
    13,146,780.19/19,809,906.66 = 10,803,125.38/x
  3. Step 3: Cross multiply
    13,146,780.19x = 19,809,906.66 × 10,803,125.38
  4. Step 4: Simplify right side
    13,146,780.19x = 214,008,905,376,386.41
  5. Step 5: Solve for x
    x = 214,008,905,376,386.41/13,146,780.19
  6. Step 6: Final answer
    x = 16,278,427.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.