Home / 37,509,675.44-51,765,521.48-20,989,655.76

Finding the Fourth Proportional to 37,509,675.44, 51,765,521.48 and 20,989,655.76

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Solution

The fourth proportional to 37,509,675.44, 51,765,521.48 and 20,989,655.76 is: 28,966,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,509,675.44 : 51,765,521.48 = 20,989,655.76 : x
  2. Step 2: Convert to fraction form
    37,509,675.44/51,765,521.48 = 20,989,655.76/x
  3. Step 3: Cross multiply
    37,509,675.44x = 51,765,521.48 × 20,989,655.76
  4. Step 4: Simplify right side
    37,509,675.44x = 1,086,540,476,102,085.75
  5. Step 5: Solve for x
    x = 1,086,540,476,102,085.75/37,509,675.44
  6. Step 6: Final answer
    x = 28,966,938.89

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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.