Home / 18,991,079.12-26,199,664.01-12,713,628.83

Finding the Fourth Proportional to 18,991,079.12, 26,199,664.01 and 12,713,628.83

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Solution

The fourth proportional to 18,991,079.12, 26,199,664.01 and 12,713,628.83 is: 17,539,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,079.12 : 26,199,664.01 = 12,713,628.83 : x
  2. Step 2: Convert to fraction form
    18,991,079.12/26,199,664.01 = 12,713,628.83/x
  3. Step 3: Cross multiply
    18,991,079.12x = 26,199,664.01 × 12,713,628.83
  4. Step 4: Simplify right side
    18,991,079.12x = 333,092,803,667,597.56
  5. Step 5: Solve for x
    x = 333,092,803,667,597.56/18,991,079.12
  6. Step 6: Final answer
    x = 17,539,435.31

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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.