Home / 30,442,986.16-45,664,478.36-14,043,418.49

Finding the Fourth Proportional to 30,442,986.16, 45,664,478.36 and 14,043,418.49

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Solution

The fourth proportional to 30,442,986.16, 45,664,478.36 and 14,043,418.49 is: 21,065,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442,986.16 : 45,664,478.36 = 14,043,418.49 : x
  2. Step 2: Convert to fraction form
    30,442,986.16/45,664,478.36 = 14,043,418.49/x
  3. Step 3: Cross multiply
    30,442,986.16x = 45,664,478.36 × 14,043,418.49
  4. Step 4: Simplify right side
    30,442,986.16x = 641,285,379,721,683.50
  5. Step 5: Solve for x
    x = 641,285,379,721,683.50/30,442,986.16
  6. Step 6: Final answer
    x = 21,065,127.33

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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.