Home / 8,618,693.90-12,933,070.61-4,783,734.72

Finding the Fourth Proportional to 8,618,693.90, 12,933,070.61 and 4,783,734.72

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Solution

The fourth proportional to 8,618,693.90, 12,933,070.61 and 4,783,734.72 is: 7,178,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,693.90 : 12,933,070.61 = 4,783,734.72 : x
  2. Step 2: Convert to fraction form
    8,618,693.90/12,933,070.61 = 4,783,734.72/x
  3. Step 3: Cross multiply
    8,618,693.90x = 12,933,070.61 × 4,783,734.72
  4. Step 4: Simplify right side
    8,618,693.90x = 61,868,378,889,349.91
  5. Step 5: Solve for x
    x = 61,868,378,889,349.91/8,618,693.90
  6. Step 6: Final answer
    x = 7,178,393.81

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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.