Home / 19,903,332.56-27,475,074-13,380,744.88

Finding the Fourth Proportional to 19,903,332.56, 27,475,074 and 13,380,744.88

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Solution

The fourth proportional to 19,903,332.56, 27,475,074 and 13,380,744.88 is: 18,471,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,332.56 : 27,475,074 = 13,380,744.88 : x
  2. Step 2: Convert to fraction form
    19,903,332.56/27,475,074 = 13,380,744.88/x
  3. Step 3: Cross multiply
    19,903,332.56x = 27,475,074 × 13,380,744.88
  4. Step 4: Simplify right side
    19,903,332.56x = 367,636,955,753,121.12
  5. Step 5: Solve for x
    x = 367,636,955,753,121.12/19,903,332.56
  6. Step 6: Final answer
    x = 18,471,125.61

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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.