Home / 12,500,012.96-18,751,762.32-3,864,818.40

Finding the Fourth Proportional to 12,500,012.96, 18,751,762.32 and 3,864,818.40

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Solution

The fourth proportional to 12,500,012.96, 18,751,762.32 and 3,864,818.40 is: 5,797,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,012.96 : 18,751,762.32 = 3,864,818.40 : x
  2. Step 2: Convert to fraction form
    12,500,012.96/18,751,762.32 = 3,864,818.40/x
  3. Step 3: Cross multiply
    12,500,012.96x = 18,751,762.32 × 3,864,818.40
  4. Step 4: Simplify right side
    12,500,012.96x = 72,472,156,046,762.69
  5. Step 5: Solve for x
    x = 72,472,156,046,762.69/12,500,012.96
  6. Step 6: Final answer
    x = 5,797,766.47

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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.