Home / 30,310,162.40-45,493,987.37-18,760,693.53

Finding the Fourth Proportional to 30,310,162.40, 45,493,987.37 and 18,760,693.53

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Solution

The fourth proportional to 30,310,162.40, 45,493,987.37 and 18,760,693.53 is: 28,158,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,162.40 : 45,493,987.37 = 18,760,693.53 : x
  2. Step 2: Convert to fraction form
    30,310,162.40/45,493,987.37 = 18,760,693.53/x
  3. Step 3: Cross multiply
    30,310,162.40x = 45,493,987.37 × 18,760,693.53
  4. Step 4: Simplify right side
    30,310,162.40x = 853,498,754,583,059.75
  5. Step 5: Solve for x
    x = 853,498,754,583,059.75/30,310,162.40
  6. Step 6: Final answer
    x = 28,158,831.46

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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.