Home / 13,723,499.52-18,938,292.48-7,611,770.88

Finding the Fourth Proportional to 13,723,499.52, 18,938,292.48 and 7,611,770.88

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Solution

The fourth proportional to 13,723,499.52, 18,938,292.48 and 7,611,770.88 is: 10,504,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723,499.52 : 18,938,292.48 = 7,611,770.88 : x
  2. Step 2: Convert to fraction form
    13,723,499.52/18,938,292.48 = 7,611,770.88/x
  3. Step 3: Cross multiply
    13,723,499.52x = 18,938,292.48 × 7,611,770.88
  4. Step 4: Simplify right side
    13,723,499.52x = 144,153,943,216,186.97
  5. Step 5: Solve for x
    x = 144,153,943,216,186.97/13,723,499.52
  6. Step 6: Final answer
    x = 10,504,167.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.