Home / 13,640,774.50-18,824,270.43-7,529,204.62

Finding the Fourth Proportional to 13,640,774.50, 18,824,270.43 and 7,529,204.62

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Solution

The fourth proportional to 13,640,774.50, 18,824,270.43 and 7,529,204.62 is: 10,390,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,774.50 : 18,824,270.43 = 7,529,204.62 : x
  2. Step 2: Convert to fraction form
    13,640,774.50/18,824,270.43 = 7,529,204.62/x
  3. Step 3: Cross multiply
    13,640,774.50x = 18,824,270.43 × 7,529,204.62
  4. Step 4: Simplify right side
    13,640,774.50x = 141,731,783,889,685.38
  5. Step 5: Solve for x
    x = 141,731,783,889,685.38/13,640,774.50
  6. Step 6: Final answer
    x = 10,390,303.27

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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.