Home / 30,310,153.25-45,493,973.61-18,760,684.37

Finding the Fourth Proportional to 30,310,153.25, 45,493,973.61 and 18,760,684.37

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Solution

The fourth proportional to 30,310,153.25, 45,493,973.61 and 18,760,684.37 is: 28,158,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,153.25 : 45,493,973.61 = 18,760,684.37 : x
  2. Step 2: Convert to fraction form
    30,310,153.25/45,493,973.61 = 18,760,684.37/x
  3. Step 3: Cross multiply
    30,310,153.25x = 45,493,973.61 × 18,760,684.37
  4. Step 4: Simplify right side
    30,310,153.25x = 853,498,079,748,054.38
  5. Step 5: Solve for x
    x = 853,498,079,748,054.38/30,310,153.25
  6. Step 6: Final answer
    x = 28,158,817.70

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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.