Home / 19,090,134.78-26,344,390.29-10,505,430.78

Finding the Fourth Proportional to 19,090,134.78, 26,344,390.29 and 10,505,430.78

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Solution

The fourth proportional to 19,090,134.78, 26,344,390.29 and 10,505,430.78 is: 14,497,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090,134.78 : 26,344,390.29 = 10,505,430.78 : x
  2. Step 2: Convert to fraction form
    19,090,134.78/26,344,390.29 = 10,505,430.78/x
  3. Step 3: Cross multiply
    19,090,134.78x = 26,344,390.29 × 10,505,430.78
  4. Step 4: Simplify right side
    19,090,134.78x = 276,759,168,632,899.09
  5. Step 5: Solve for x
    x = 276,759,168,632,899.09/19,090,134.78
  6. Step 6: Final answer
    x = 14,497,496.84

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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.