Home / 13,640,798.25-18,824,303.34-7,529,228.37

Finding the Fourth Proportional to 13,640,798.25, 18,824,303.34 and 7,529,228.37

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Solution

The fourth proportional to 13,640,798.25, 18,824,303.34 and 7,529,228.37 is: 10,390,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,798.25 : 18,824,303.34 = 7,529,228.37 : x
  2. Step 2: Convert to fraction form
    13,640,798.25/18,824,303.34 = 7,529,228.37/x
  3. Step 3: Cross multiply
    13,640,798.25x = 18,824,303.34 × 7,529,228.37
  4. Step 4: Simplify right side
    13,640,798.25x = 141,732,478,753,013.75
  5. Step 5: Solve for x
    x = 141,732,478,753,013.75/13,640,798.25
  6. Step 6: Final answer
    x = 10,390,336.12

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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.