Home / 17,640,483.48-26,422,146.54-12,507,353.91

Finding the Fourth Proportional to 17,640,483.48, 26,422,146.54 and 12,507,353.91

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Solution

The fourth proportional to 17,640,483.48, 26,422,146.54 and 12,507,353.91 is: 18,733,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,483.48 : 26,422,146.54 = 12,507,353.91 : x
  2. Step 2: Convert to fraction form
    17,640,483.48/26,422,146.54 = 12,507,353.91/x
  3. Step 3: Cross multiply
    17,640,483.48x = 26,422,146.54 × 12,507,353.91
  4. Step 4: Simplify right side
    17,640,483.48x = 330,471,137,837,661.94
  5. Step 5: Solve for x
    x = 330,471,137,837,661.94/17,640,483.48
  6. Step 6: Final answer
    x = 18,733,678.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.