Home / 42,534,493.20-63,801,739.80-13,783,535.10

Finding the Fourth Proportional to 42,534,493.20, 63,801,739.80 and 13,783,535.10

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Solution

The fourth proportional to 42,534,493.20, 63,801,739.80 and 13,783,535.10 is: 20,675,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534,493.20 : 63,801,739.80 = 13,783,535.10 : x
  2. Step 2: Convert to fraction form
    42,534,493.20/63,801,739.80 = 13,783,535.10/x
  3. Step 3: Cross multiply
    42,534,493.20x = 63,801,739.80 × 13,783,535.10
  4. Step 4: Simplify right side
    42,534,493.20x = 879,413,519,974,366.88
  5. Step 5: Solve for x
    x = 879,413,519,974,366.88/42,534,493.20
  6. Step 6: Final answer
    x = 20,675,302.65

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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.