Home / 12,996,069.89-17,933,894.55-7,114,576.56

Finding the Fourth Proportional to 12,996,069.89, 17,933,894.55 and 7,114,576.56

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Solution

The fourth proportional to 12,996,069.89, 17,933,894.55 and 7,114,576.56 is: 9,817,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,069.89 : 17,933,894.55 = 7,114,576.56 : x
  2. Step 2: Convert to fraction form
    12,996,069.89/17,933,894.55 = 7,114,576.56/x
  3. Step 3: Cross multiply
    12,996,069.89x = 17,933,894.55 × 7,114,576.56
  4. Step 4: Simplify right side
    12,996,069.89x = 127,592,065,794,941.75
  5. Step 5: Solve for x
    x = 127,592,065,794,941.75/12,996,069.89
  6. Step 6: Final answer
    x = 9,817,742.36

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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.