Home / 18,808,980.26-28,213,820.44-5,346,158.18

Finding the Fourth Proportional to 18,808,980.26, 28,213,820.44 and 5,346,158.18

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Solution

The fourth proportional to 18,808,980.26, 28,213,820.44 and 5,346,158.18 is: 8,019,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,980.26 : 28,213,820.44 = 5,346,158.18 : x
  2. Step 2: Convert to fraction form
    18,808,980.26/28,213,820.44 = 5,346,158.18/x
  3. Step 3: Cross multiply
    18,808,980.26x = 28,213,820.44 × 5,346,158.18
  4. Step 4: Simplify right side
    18,808,980.26x = 150,835,546,934,357.19
  5. Step 5: Solve for x
    x = 150,835,546,934,357.19/18,808,980.26
  6. Step 6: Final answer
    x = 8,019,336.77

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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.