Home / 18,724,996.17-28,079,518.82-7,357,470.93

Finding the Fourth Proportional to 18,724,996.17, 28,079,518.82 and 7,357,470.93

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Solution

The fourth proportional to 18,724,996.17, 28,079,518.82 and 7,357,470.93 is: 11,033,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,996.17 : 28,079,518.82 = 7,357,470.93 : x
  2. Step 2: Convert to fraction form
    18,724,996.17/28,079,518.82 = 7,357,470.93/x
  3. Step 3: Cross multiply
    18,724,996.17x = 28,079,518.82 × 7,357,470.93
  4. Step 4: Simplify right side
    18,724,996.17x = 206,594,243,409,750.56
  5. Step 5: Solve for x
    x = 206,594,243,409,750.56/18,724,996.17
  6. Step 6: Final answer
    x = 11,033,072.67

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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.