Home / 21,009,887.06-31,512,462.84-5,658,300.39

Finding the Fourth Proportional to 21,009,887.06, 31,512,462.84 and 5,658,300.39

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Solution

The fourth proportional to 21,009,887.06, 31,512,462.84 and 5,658,300.39 is: 8,486,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,887.06 : 31,512,462.84 = 5,658,300.39 : x
  2. Step 2: Convert to fraction form
    21,009,887.06/31,512,462.84 = 5,658,300.39/x
  3. Step 3: Cross multiply
    21,009,887.06x = 31,512,462.84 × 5,658,300.39
  4. Step 4: Simplify right side
    21,009,887.06x = 178,306,980,777,432.50
  5. Step 5: Solve for x
    x = 178,306,980,777,432.50/21,009,887.06
  6. Step 6: Final answer
    x = 8,486,812.91

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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.