Home / 30,276,942.23-45,422,368.01-8,711,722.55

Finding the Fourth Proportional to 30,276,942.23, 45,422,368.01 and 8,711,722.55

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Solution

The fourth proportional to 30,276,942.23, 45,422,368.01 and 8,711,722.55 is: 13,069,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,942.23 : 45,422,368.01 = 8,711,722.55 : x
  2. Step 2: Convert to fraction form
    30,276,942.23/45,422,368.01 = 8,711,722.55/x
  3. Step 3: Cross multiply
    30,276,942.23x = 45,422,368.01 × 8,711,722.55
  4. Step 4: Simplify right side
    30,276,942.23x = 395,707,067,396,445.19
  5. Step 5: Solve for x
    x = 395,707,067,396,445.19/30,276,942.23
  6. Step 6: Final answer
    x = 13,069,584.92

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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.