Home / 21,032,362.20-31,548,543.30-13,852,003.80

Finding the Fourth Proportional to 21,032,362.20, 31,548,543.30 and 13,852,003.80

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Solution

The fourth proportional to 21,032,362.20, 31,548,543.30 and 13,852,003.80 is: 20,778,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,362.20 : 31,548,543.30 = 13,852,003.80 : x
  2. Step 2: Convert to fraction form
    21,032,362.20/31,548,543.30 = 13,852,003.80/x
  3. Step 3: Cross multiply
    21,032,362.20x = 31,548,543.30 × 13,852,003.80
  4. Step 4: Simplify right side
    21,032,362.20x = 437,010,541,676,064.56
  5. Step 5: Solve for x
    x = 437,010,541,676,064.56/21,032,362.20
  6. Step 6: Final answer
    x = 20,778,005.70

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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.