Home / 13,601,492.94-18,769,791.54-7,406,615.88

Finding the Fourth Proportional to 13,601,492.94, 18,769,791.54 and 7,406,615.88

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Solution

The fourth proportional to 13,601,492.94, 18,769,791.54 and 7,406,615.88 is: 10,220,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,492.94 : 18,769,791.54 = 7,406,615.88 : x
  2. Step 2: Convert to fraction form
    13,601,492.94/18,769,791.54 = 7,406,615.88/x
  3. Step 3: Cross multiply
    13,601,492.94x = 18,769,791.54 × 7,406,615.88
  4. Step 4: Simplify right side
    13,601,492.94x = 139,020,636,084,453.64
  5. Step 5: Solve for x
    x = 139,020,636,084,453.64/13,601,492.94
  6. Step 6: Final answer
    x = 10,220,983.59

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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.