Home / 30,310,153.05-45,493,973.33-18,760,684.19

Finding the Fourth Proportional to 30,310,153.05, 45,493,973.33 and 18,760,684.19

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Solution

The fourth proportional to 30,310,153.05, 45,493,973.33 and 18,760,684.19 is: 28,158,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,153.05 : 45,493,973.33 = 18,760,684.19 : x
  2. Step 2: Convert to fraction form
    30,310,153.05/45,493,973.33 = 18,760,684.19/x
  3. Step 3: Cross multiply
    30,310,153.05x = 45,493,973.33 × 18,760,684.19
  4. Step 4: Simplify right side
    30,310,153.05x = 853,498,065,871,139.38
  5. Step 5: Solve for x
    x = 853,498,065,871,139.38/30,310,153.05
  6. Step 6: Final answer
    x = 28,158,817.42

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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.