Home / 12,875,821.85-19,316,724.11-3,777,551.93

Finding the Fourth Proportional to 12,875,821.85, 19,316,724.11 and 3,777,551.93

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Solution

The fourth proportional to 12,875,821.85, 19,316,724.11 and 3,777,551.93 is: 5,667,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,821.85 : 19,316,724.11 = 3,777,551.93 : x
  2. Step 2: Convert to fraction form
    12,875,821.85/19,316,724.11 = 3,777,551.93/x
  3. Step 3: Cross multiply
    12,875,821.85x = 19,316,724.11 × 3,777,551.93
  4. Step 4: Simplify right side
    12,875,821.85x = 72,969,928,327,536.66
  5. Step 5: Solve for x
    x = 72,969,928,327,536.66/12,875,821.85
  6. Step 6: Final answer
    x = 5,667,205.50

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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.