Home / 38,968,635.24-53,776,820.88-21,566,180.52

Finding the Fourth Proportional to 38,968,635.24, 53,776,820.88 and 21,566,180.52

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Solution

The fourth proportional to 38,968,635.24, 53,776,820.88 and 21,566,180.52 is: 29,761,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,635.24 : 53,776,820.88 = 21,566,180.52 : x
  2. Step 2: Convert to fraction form
    38,968,635.24/53,776,820.88 = 21,566,180.52/x
  3. Step 3: Cross multiply
    38,968,635.24x = 53,776,820.88 × 21,566,180.52
  4. Step 4: Simplify right side
    38,968,635.24x = 1,159,760,626,889,785.25
  5. Step 5: Solve for x
    x = 1,159,760,626,889,785.25/38,968,635.24
  6. Step 6: Final answer
    x = 29,761,386.81

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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.