Home / 12,242,849.60-18,343,279.20-5,839,313.60

Finding the Fourth Proportional to 12,242,849.60, 18,343,279.20 and 5,839,313.60

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Solution

The fourth proportional to 12,242,849.60, 18,343,279.20 and 5,839,313.60 is: 8,748,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,849.60 : 18,343,279.20 = 5,839,313.60 : x
  2. Step 2: Convert to fraction form
    12,242,849.60/18,343,279.20 = 5,839,313.60/x
  3. Step 3: Cross multiply
    12,242,849.60x = 18,343,279.20 × 5,839,313.60
  4. Step 4: Simplify right side
    12,242,849.60x = 107,112,159,701,157.11
  5. Step 5: Solve for x
    x = 107,112,159,701,157.11/12,242,849.60
  6. Step 6: Final answer
    x = 8,748,956.59

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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.