Home / 13,011,071.40-17,963,439.96-8,372,914.89

Finding the Fourth Proportional to 13,011,071.40, 17,963,439.96 and 8,372,914.89

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Solution

The fourth proportional to 13,011,071.40, 17,963,439.96 and 8,372,914.89 is: 11,559,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,071.40 : 17,963,439.96 = 8,372,914.89 : x
  2. Step 2: Convert to fraction form
    13,011,071.40/17,963,439.96 = 8,372,914.89/x
  3. Step 3: Cross multiply
    13,011,071.40x = 17,963,439.96 × 8,372,914.89
  4. Step 4: Simplify right side
    13,011,071.40x = 150,406,353,916,705
  5. Step 5: Solve for x
    x = 150,406,353,916,705/13,011,071.40
  6. Step 6: Final answer
    x = 11,559,874.61

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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.