Home / 13,605,492.34-18,775,575.88-7,493,920.84

Finding the Fourth Proportional to 13,605,492.34, 18,775,575.88 and 7,493,920.84

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Solution

The fourth proportional to 13,605,492.34, 18,775,575.88 and 7,493,920.84 is: 10,341,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,492.34 : 18,775,575.88 = 7,493,920.84 : x
  2. Step 2: Convert to fraction form
    13,605,492.34/18,775,575.88 = 7,493,920.84/x
  3. Step 3: Cross multiply
    13,605,492.34x = 18,775,575.88 × 7,493,920.84
  4. Step 4: Simplify right side
    13,605,492.34x = 140,702,679,417,021.30
  5. Step 5: Solve for x
    x = 140,702,679,417,021.30/13,605,492.34
  6. Step 6: Final answer
    x = 10,341,608.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.