Home / 13,081,717.72-18,052,770.50-7,281,869.58

Finding the Fourth Proportional to 13,081,717.72, 18,052,770.50 and 7,281,869.58

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Solution

The fourth proportional to 13,081,717.72, 18,052,770.50 and 7,281,869.58 is: 10,048,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,717.72 : 18,052,770.50 = 7,281,869.58 : x
  2. Step 2: Convert to fraction form
    13,081,717.72/18,052,770.50 = 7,281,869.58/x
  3. Step 3: Cross multiply
    13,081,717.72x = 18,052,770.50 × 7,281,869.58
  4. Step 4: Simplify right side
    13,081,717.72x = 131,457,920,365,598.62
  5. Step 5: Solve for x
    x = 131,457,920,365,598.62/13,081,717.72
  6. Step 6: Final answer
    x = 10,048,980.05

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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.