Home / 13,246,543.80-19,869,815.70-8,711,580.60

Finding the Fourth Proportional to 13,246,543.80, 19,869,815.70 and 8,711,580.60

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Solution

The fourth proportional to 13,246,543.80, 19,869,815.70 and 8,711,580.60 is: 13,067,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,543.80 : 19,869,815.70 = 8,711,580.60 : x
  2. Step 2: Convert to fraction form
    13,246,543.80/19,869,815.70 = 8,711,580.60/x
  3. Step 3: Cross multiply
    13,246,543.80x = 19,869,815.70 × 8,711,580.60
  4. Step 4: Simplify right side
    13,246,543.80x = 173,097,500,977,695.41
  5. Step 5: Solve for x
    x = 173,097,500,977,695.41/13,246,543.80
  6. Step 6: Final answer
    x = 13,067,370.90

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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.