Home / 13,640,808.34-18,824,317.14-7,529,238.46

Finding the Fourth Proportional to 13,640,808.34, 18,824,317.14 and 7,529,238.46

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Solution

The fourth proportional to 13,640,808.34, 18,824,317.14 and 7,529,238.46 is: 10,390,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,808.34 : 18,824,317.14 = 7,529,238.46 : x
  2. Step 2: Convert to fraction form
    13,640,808.34/18,824,317.14 = 7,529,238.46/x
  3. Step 3: Cross multiply
    13,640,808.34x = 18,824,317.14 × 7,529,238.46
  4. Step 4: Simplify right side
    13,640,808.34x = 141,732,772,593,725.22
  5. Step 5: Solve for x
    x = 141,732,772,593,725.22/13,640,808.34
  6. Step 6: Final answer
    x = 10,390,349.97

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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.