Home / 13,129,089.52-18,119,056.56-7,329,003.52

Finding the Fourth Proportional to 13,129,089.52, 18,119,056.56 and 7,329,003.52

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Solution

The fourth proportional to 13,129,089.52, 18,119,056.56 and 7,329,003.52 is: 10,114,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,089.52 : 18,119,056.56 = 7,329,003.52 : x
  2. Step 2: Convert to fraction form
    13,129,089.52/18,119,056.56 = 7,329,003.52/x
  3. Step 3: Cross multiply
    13,129,089.52x = 18,119,056.56 × 7,329,003.52
  4. Step 4: Simplify right side
    13,129,089.52x = 132,794,629,307,319.08
  5. Step 5: Solve for x
    x = 132,794,629,307,319.08/13,129,089.52
  6. Step 6: Final answer
    x = 10,114,534.53

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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.