Home / 21,262,577.20-31,893,865.80-5,909,837.20

Finding the Fourth Proportional to 21,262,577.20, 31,893,865.80 and 5,909,837.20

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Solution

The fourth proportional to 21,262,577.20, 31,893,865.80 and 5,909,837.20 is: 8,864,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262,577.20 : 31,893,865.80 = 5,909,837.20 : x
  2. Step 2: Convert to fraction form
    21,262,577.20/31,893,865.80 = 5,909,837.20/x
  3. Step 3: Cross multiply
    21,262,577.20x = 31,893,865.80 × 5,909,837.20
  4. Step 4: Simplify right side
    21,262,577.20x = 188,487,554,556,647.78
  5. Step 5: Solve for x
    x = 188,487,554,556,647.78/21,262,577.20
  6. Step 6: Final answer
    x = 8,864,755.80

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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.