Home / 12,503,140.80-18,719,281.80-11,227,682.40

Finding the Fourth Proportional to 12,503,140.80, 18,719,281.80 and 11,227,682.40

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Solution

The fourth proportional to 12,503,140.80, 18,719,281.80 and 11,227,682.40 is: 16,809,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503,140.80 : 18,719,281.80 = 11,227,682.40 : x
  2. Step 2: Convert to fraction form
    12,503,140.80/18,719,281.80 = 11,227,682.40/x
  3. Step 3: Cross multiply
    12,503,140.80x = 18,719,281.80 × 11,227,682.40
  4. Step 4: Simplify right side
    12,503,140.80x = 210,174,150,806,500.34
  5. Step 5: Solve for x
    x = 210,174,150,806,500.34/12,503,140.80
  6. Step 6: Final answer
    x = 16,809,708.39

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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.