Home / 13,136,733.48-18,128,328.58-7,256,262.27

Finding the Fourth Proportional to 13,136,733.48, 18,128,328.58 and 7,256,262.27

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Solution

The fourth proportional to 13,136,733.48, 18,128,328.58 and 7,256,262.27 is: 10,013,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,733.48 : 18,128,328.58 = 7,256,262.27 : x
  2. Step 2: Convert to fraction form
    13,136,733.48/18,128,328.58 = 7,256,262.27/x
  3. Step 3: Cross multiply
    13,136,733.48x = 18,128,328.58 × 7,256,262.27
  4. Step 4: Simplify right side
    13,136,733.48x = 131,543,906,693,216.66
  5. Step 5: Solve for x
    x = 131,543,906,693,216.66/13,136,733.48
  6. Step 6: Final answer
    x = 10,013,441.08

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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.