Home / 19,090,131.78-26,344,386.15-10,505,427.78

Finding the Fourth Proportional to 19,090,131.78, 26,344,386.15 and 10,505,427.78

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Solution

The fourth proportional to 19,090,131.78, 26,344,386.15 and 10,505,427.78 is: 14,497,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090,131.78 : 26,344,386.15 = 10,505,427.78 : x
  2. Step 2: Convert to fraction form
    19,090,131.78/26,344,386.15 = 10,505,427.78/x
  3. Step 3: Cross multiply
    19,090,131.78x = 26,344,386.15 × 10,505,427.78
  4. Step 4: Simplify right side
    19,090,131.78x = 276,759,046,107,257.22
  5. Step 5: Solve for x
    x = 276,759,046,107,257.22/19,090,131.78
  6. Step 6: Final answer
    x = 14,497,492.70

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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.