Home / 30,237,129.39-45,350,711.22-12,968,119.95

Finding the Fourth Proportional to 30,237,129.39, 45,350,711.22 and 12,968,119.95

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Solution

The fourth proportional to 30,237,129.39, 45,350,711.22 and 12,968,119.95 is: 19,450,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237,129.39 : 45,350,711.22 = 12,968,119.95 : x
  2. Step 2: Convert to fraction form
    30,237,129.39/45,350,711.22 = 12,968,119.95/x
  3. Step 3: Cross multiply
    30,237,129.39x = 45,350,711.22 × 12,968,119.95
  4. Step 4: Simplify right side
    30,237,129.39x = 588,113,462,797,336.12
  5. Step 5: Solve for x
    x = 588,113,462,797,336.12/30,237,129.39
  6. Step 6: Final answer
    x = 19,450,042.86

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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.