Home / 18,953,759.77-26,172,132.38-11,996,710.45

Finding the Fourth Proportional to 18,953,759.77, 26,172,132.38 and 11,996,710.45

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Solution

The fourth proportional to 18,953,759.77, 26,172,132.38 and 11,996,710.45 is: 16,565,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,759.77 : 26,172,132.38 = 11,996,710.45 : x
  2. Step 2: Convert to fraction form
    18,953,759.77/26,172,132.38 = 11,996,710.45/x
  3. Step 3: Cross multiply
    18,953,759.77x = 26,172,132.38 × 11,996,710.45
  4. Step 4: Simplify right side
    18,953,759.77x = 313,979,494,021,929.31
  5. Step 5: Solve for x
    x = 313,979,494,021,929.31/18,953,759.77
  6. Step 6: Final answer
    x = 16,565,552.05

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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.