Home / 37,215,528.77-55,786,848.84-20,828,816.17

Finding the Fourth Proportional to 37,215,528.77, 55,786,848.84 and 20,828,816.17

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Solution

The fourth proportional to 37,215,528.77, 55,786,848.84 and 20,828,816.17 is: 31,222,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215,528.77 : 55,786,848.84 = 20,828,816.17 : x
  2. Step 2: Convert to fraction form
    37,215,528.77/55,786,848.84 = 20,828,816.17/x
  3. Step 3: Cross multiply
    37,215,528.77x = 55,786,848.84 × 20,828,816.17
  4. Step 4: Simplify right side
    37,215,528.77x = 1,161,974,019,052,470.75
  5. Step 5: Solve for x
    x = 1,161,974,019,052,470.75/37,215,528.77
  6. Step 6: Final answer
    x = 31,222,827.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.