Home / 30,330,682.65-45,496,023.98-20,127,015.45

Finding the Fourth Proportional to 30,330,682.65, 45,496,023.98 and 20,127,015.45

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Solution

The fourth proportional to 30,330,682.65, 45,496,023.98 and 20,127,015.45 is: 30,190,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,682.65 : 45,496,023.98 = 20,127,015.45 : x
  2. Step 2: Convert to fraction form
    30,330,682.65/45,496,023.98 = 20,127,015.45/x
  3. Step 3: Cross multiply
    30,330,682.65x = 45,496,023.98 × 20,127,015.45
  4. Step 4: Simplify right side
    30,330,682.65x = 915,699,177,458,395.38
  5. Step 5: Solve for x
    x = 915,699,177,458,395.38/30,330,682.65
  6. Step 6: Final answer
    x = 30,190,523.18

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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.