Home / 30,327,806.80-45,491,710.20-18,848,681.20

Finding the Fourth Proportional to 30,327,806.80, 45,491,710.20 and 18,848,681.20

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Solution

The fourth proportional to 30,327,806.80, 45,491,710.20 and 18,848,681.20 is: 28,273,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327,806.80 : 45,491,710.20 = 18,848,681.20 : x
  2. Step 2: Convert to fraction form
    30,327,806.80/45,491,710.20 = 18,848,681.20/x
  3. Step 3: Cross multiply
    30,327,806.80x = 45,491,710.20 × 18,848,681.20
  4. Step 4: Simplify right side
    30,327,806.80x = 857,458,742,802,588.25
  5. Step 5: Solve for x
    x = 857,458,742,802,588.25/30,327,806.80
  6. Step 6: Final answer
    x = 28,273,021.80

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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.