Home / 8,618,689.37-12,933,063.86-4,783,730.20

Finding the Fourth Proportional to 8,618,689.37, 12,933,063.86 and 4,783,730.20

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Solution

The fourth proportional to 8,618,689.37, 12,933,063.86 and 4,783,730.20 is: 7,178,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,689.37 : 12,933,063.86 = 4,783,730.20 : x
  2. Step 2: Convert to fraction form
    8,618,689.37/12,933,063.86 = 4,783,730.20/x
  3. Step 3: Cross multiply
    8,618,689.37x = 12,933,063.86 × 4,783,730.20
  4. Step 4: Simplify right side
    8,618,689.37x = 61,868,288,109,359.26
  5. Step 5: Solve for x
    x = 61,868,288,109,359.26/8,618,689.37
  6. Step 6: Final answer
    x = 7,178,387.04

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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.