Home / 20,620,445.49-30,957,700.46-13,827,415.08

Finding the Fourth Proportional to 20,620,445.49, 30,957,700.46 and 13,827,415.08

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Solution

The fourth proportional to 20,620,445.49, 30,957,700.46 and 13,827,415.08 is: 20,759,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,445.49 : 30,957,700.46 = 13,827,415.08 : x
  2. Step 2: Convert to fraction form
    20,620,445.49/30,957,700.46 = 13,827,415.08/x
  3. Step 3: Cross multiply
    20,620,445.49x = 30,957,700.46 × 13,827,415.08
  4. Step 4: Simplify right side
    20,620,445.49x = 428,064,974,182,726.94
  5. Step 5: Solve for x
    x = 428,064,974,182,726.94/20,620,445.49
  6. Step 6: Final answer
    x = 20,759,249.57

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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.