Home / 12,783,445.91-19,177,861.86-4,146,871.94

Finding the Fourth Proportional to 12,783,445.91, 19,177,861.86 and 4,146,871.94

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Solution

The fourth proportional to 12,783,445.91, 19,177,861.86 and 4,146,871.94 is: 6,221,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,445.91 : 19,177,861.86 = 4,146,871.94 : x
  2. Step 2: Convert to fraction form
    12,783,445.91/19,177,861.86 = 4,146,871.94/x
  3. Step 3: Cross multiply
    12,783,445.91x = 19,177,861.86 × 4,146,871.94
  4. Step 4: Simplify right side
    12,783,445.91x = 79,528,137,216,430.20
  5. Step 5: Solve for x
    x = 79,528,137,216,430.20/12,783,445.91
  6. Step 6: Final answer
    x = 6,221,181.50

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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.