Home / 21,003,485.10-31,435,243.65-15,229,805.10

Finding the Fourth Proportional to 21,003,485.10, 31,435,243.65 and 15,229,805.10

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Solution

The fourth proportional to 21,003,485.10, 31,435,243.65 and 15,229,805.10 is: 22,793,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,485.10 : 31,435,243.65 = 15,229,805.10 : x
  2. Step 2: Convert to fraction form
    21,003,485.10/31,435,243.65 = 15,229,805.10/x
  3. Step 3: Cross multiply
    21,003,485.10x = 31,435,243.65 × 15,229,805.10
  4. Step 4: Simplify right side
    21,003,485.10x = 478,752,634,060,512.56
  5. Step 5: Solve for x
    x = 478,752,634,060,512.56/21,003,485.10
  6. Step 6: Final answer
    x = 22,793,961.66

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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.