Home / 40,166,745.26-55,430,673.63-21,832,031.66

Finding the Fourth Proportional to 40,166,745.26, 55,430,673.63 and 21,832,031.66

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Solution

The fourth proportional to 40,166,745.26, 55,430,673.63 and 21,832,031.66 is: 30,128,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166,745.26 : 55,430,673.63 = 21,832,031.66 : x
  2. Step 2: Convert to fraction form
    40,166,745.26/55,430,673.63 = 21,832,031.66/x
  3. Step 3: Cross multiply
    40,166,745.26x = 55,430,673.63 × 21,832,031.66
  4. Step 4: Simplify right side
    40,166,745.26x = 1,210,164,221,625,287.25
  5. Step 5: Solve for x
    x = 1,210,164,221,625,287.25/40,166,745.26
  6. Step 6: Final answer
    x = 30,128,510.88

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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.