Home / 18,748,825-25,876,139.46-11,873,946.28

Finding the Fourth Proportional to 18,748,825, 25,876,139.46 and 11,873,946.28

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Solution

The fourth proportional to 18,748,825, 25,876,139.46 and 11,873,946.28 is: 16,387,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748,825 : 25,876,139.46 = 11,873,946.28 : x
  2. Step 2: Convert to fraction form
    18,748,825/25,876,139.46 = 11,873,946.28/x
  3. Step 3: Cross multiply
    18,748,825x = 25,876,139.46 × 11,873,946.28
  4. Step 4: Simplify right side
    18,748,825x = 307,251,889,881,828.19
  5. Step 5: Solve for x
    x = 307,251,889,881,828.19/18,748,825
  6. Step 6: Final answer
    x = 16,387,794.43

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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.