Home / 18,965,781.36-26,172,776.43-10,263,955.68

Finding the Fourth Proportional to 18,965,781.36, 26,172,776.43 and 10,263,955.68

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Solution

The fourth proportional to 18,965,781.36, 26,172,776.43 and 10,263,955.68 is: 14,164,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965,781.36 : 26,172,776.43 = 10,263,955.68 : x
  2. Step 2: Convert to fraction form
    18,965,781.36/26,172,776.43 = 10,263,955.68/x
  3. Step 3: Cross multiply
    18,965,781.36x = 26,172,776.43 × 10,263,955.68
  4. Step 4: Simplify right side
    18,965,781.36x = 268,636,217,300,068.62
  5. Step 5: Solve for x
    x = 268,636,217,300,068.62/18,965,781.36
  6. Step 6: Final answer
    x = 14,164,257.84

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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.