Home / 13,405,581.48-18,499,157.67-7,604,238.70

Finding the Fourth Proportional to 13,405,581.48, 18,499,157.67 and 7,604,238.70

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Solution

The fourth proportional to 13,405,581.48, 18,499,157.67 and 7,604,238.70 is: 10,493,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,581.48 : 18,499,157.67 = 7,604,238.70 : x
  2. Step 2: Convert to fraction form
    13,405,581.48/18,499,157.67 = 7,604,238.70/x
  3. Step 3: Cross multiply
    13,405,581.48x = 18,499,157.67 × 7,604,238.70
  4. Step 4: Simplify right side
    13,405,581.48x = 140,672,010,671,615.84
  5. Step 5: Solve for x
    x = 140,672,010,671,615.84/13,405,581.48
  6. Step 6: Final answer
    x = 10,493,540.39

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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.