Home / 28,674,007.80-43,011,011.70-25,538,724.60

Finding the Fourth Proportional to 28,674,007.80, 43,011,011.70 and 25,538,724.60

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Solution

The fourth proportional to 28,674,007.80, 43,011,011.70 and 25,538,724.60 is: 38,308,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674,007.80 : 43,011,011.70 = 25,538,724.60 : x
  2. Step 2: Convert to fraction form
    28,674,007.80/43,011,011.70 = 25,538,724.60/x
  3. Step 3: Cross multiply
    28,674,007.80x = 43,011,011.70 × 25,538,724.60
  4. Step 4: Simplify right side
    28,674,007.80x = 1,098,446,382,573,678
  5. Step 5: Solve for x
    x = 1,098,446,382,573,678/28,674,007.80
  6. Step 6: Final answer
    x = 38,308,086.90

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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.