Home / 30,542,969.92-45,847,651.92-12,359,683.84

Finding the Fourth Proportional to 30,542,969.92, 45,847,651.92 and 12,359,683.84

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Solution

The fourth proportional to 30,542,969.92, 45,847,651.92 and 12,359,683.84 is: 18,552,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,969.92 : 45,847,651.92 = 12,359,683.84 : x
  2. Step 2: Convert to fraction form
    30,542,969.92/45,847,651.92 = 12,359,683.84/x
  3. Step 3: Cross multiply
    30,542,969.92x = 45,847,651.92 × 12,359,683.84
  4. Step 4: Simplify right side
    30,542,969.92x = 566,662,482,537,569
  5. Step 5: Solve for x
    x = 566,662,482,537,569/30,542,969.92
  6. Step 6: Final answer
    x = 18,552,959.45

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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.