Home / 7,190,712.60-10,786,068.90-2,142,023.10

Finding the Fourth Proportional to 7,190,712.60, 10,786,068.90 and 2,142,023.10

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Solution

The fourth proportional to 7,190,712.60, 10,786,068.90 and 2,142,023.10 is: 3,213,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,712.60 : 10,786,068.90 = 2,142,023.10 : x
  2. Step 2: Convert to fraction form
    7,190,712.60/10,786,068.90 = 2,142,023.10/x
  3. Step 3: Cross multiply
    7,190,712.60x = 10,786,068.90 × 2,142,023.10
  4. Step 4: Simplify right side
    7,190,712.60x = 23,104,008,741,991.59
  5. Step 5: Solve for x
    x = 23,104,008,741,991.59/7,190,712.60
  6. Step 6: Final answer
    x = 3,213,034.65

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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.