Home / 13,353,241.28-18,427,255.53-7,551,805.82

Finding the Fourth Proportional to 13,353,241.28, 18,427,255.53 and 7,551,805.82

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Solution

The fourth proportional to 13,353,241.28, 18,427,255.53 and 7,551,805.82 is: 10,421,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,241.28 : 18,427,255.53 = 7,551,805.82 : x
  2. Step 2: Convert to fraction form
    13,353,241.28/18,427,255.53 = 7,551,805.82/x
  3. Step 3: Cross multiply
    13,353,241.28x = 18,427,255.53 × 7,551,805.82
  4. Step 4: Simplify right side
    13,353,241.28x = 139,159,055,558,081.20
  5. Step 5: Solve for x
    x = 139,159,055,558,081.20/13,353,241.28
  6. Step 6: Final answer
    x = 10,421,369.06

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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.