Home / 30,614,519.02-45,921,841.71-28,743,846.70

Finding the Fourth Proportional to 30,614,519.02, 45,921,841.71 and 28,743,846.70

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Solution

The fourth proportional to 30,614,519.02, 45,921,841.71 and 28,743,846.70 is: 43,115,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,519.02 : 45,921,841.71 = 28,743,846.70 : x
  2. Step 2: Convert to fraction form
    30,614,519.02/45,921,841.71 = 28,743,846.70/x
  3. Step 3: Cross multiply
    30,614,519.02x = 45,921,841.71 × 28,743,846.70
  4. Step 4: Simplify right side
    30,614,519.02x = 1,319,970,378,293,905.75
  5. Step 5: Solve for x
    x = 1,319,970,378,293,905.75/30,614,519.02
  6. Step 6: Final answer
    x = 43,115,829.37

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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.