Home / 12,627,529.96-17,430,730.10-8,276,896.52

Finding the Fourth Proportional to 12,627,529.96, 17,430,730.10 and 8,276,896.52

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Solution

The fourth proportional to 12,627,529.96, 17,430,730.10 and 8,276,896.52 is: 11,425,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,529.96 : 17,430,730.10 = 8,276,896.52 : x
  2. Step 2: Convert to fraction form
    12,627,529.96/17,430,730.10 = 8,276,896.52/x
  3. Step 3: Cross multiply
    12,627,529.96x = 17,430,730.10 × 8,276,896.52
  4. Step 4: Simplify right side
    12,627,529.96x = 144,272,349,305,749.25
  5. Step 5: Solve for x
    x = 144,272,349,305,749.25/12,627,529.96
  6. Step 6: Final answer
    x = 11,425,223.28

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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.