Home / 18,980,866.64-26,193,459-10,278,837.36

Finding the Fourth Proportional to 18,980,866.64, 26,193,459 and 10,278,837.36

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Solution

The fourth proportional to 18,980,866.64, 26,193,459 and 10,278,837.36 is: 14,184,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,866.64 : 26,193,459 = 10,278,837.36 : x
  2. Step 2: Convert to fraction form
    18,980,866.64/26,193,459 = 10,278,837.36/x
  3. Step 3: Cross multiply
    18,980,866.64x = 26,193,459 × 10,278,837.36
  4. Step 4: Simplify right side
    18,980,866.64x = 269,238,304,956,828.22
  5. Step 5: Solve for x
    x = 269,238,304,956,828.22/18,980,866.64
  6. Step 6: Final answer
    x = 14,184,721.39

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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.