Home / 12,912,559.20-19,370,026.80-3,327,973.20

Finding the Fourth Proportional to 12,912,559.20, 19,370,026.80 and 3,327,973.20

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Solution

The fourth proportional to 12,912,559.20, 19,370,026.80 and 3,327,973.20 is: 4,992,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,559.20 : 19,370,026.80 = 3,327,973.20 : x
  2. Step 2: Convert to fraction form
    12,912,559.20/19,370,026.80 = 3,327,973.20/x
  3. Step 3: Cross multiply
    12,912,559.20x = 19,370,026.80 × 3,327,973.20
  4. Step 4: Simplify right side
    12,912,559.20x = 64,462,930,073,681.77
  5. Step 5: Solve for x
    x = 64,462,930,073,681.77/12,912,559.20
  6. Step 6: Final answer
    x = 4,992,265.99

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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.