Home / 18,722,497.20-28,086,370.20-7,360,303.20

Finding the Fourth Proportional to 18,722,497.20, 28,086,370.20 and 7,360,303.20

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Solution

The fourth proportional to 18,722,497.20, 28,086,370.20 and 7,360,303.20 is: 11,041,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,497.20 : 28,086,370.20 = 7,360,303.20 : x
  2. Step 2: Convert to fraction form
    18,722,497.20/28,086,370.20 = 7,360,303.20/x
  3. Step 3: Cross multiply
    18,722,497.20x = 28,086,370.20 × 7,360,303.20
  4. Step 4: Simplify right side
    18,722,497.20x = 206,724,200,459,444.62
  5. Step 5: Solve for x
    x = 206,724,200,459,444.62/18,722,497.20
  6. Step 6: Final answer
    x = 11,041,486.52

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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.