Home / 12,289,426.84-18,432,499.40-3,653,365.20

Finding the Fourth Proportional to 12,289,426.84, 18,432,499.40 and 3,653,365.20

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Solution

The fourth proportional to 12,289,426.84, 18,432,499.40 and 3,653,365.20 is: 5,479,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,426.84 : 18,432,499.40 = 3,653,365.20 : x
  2. Step 2: Convert to fraction form
    12,289,426.84/18,432,499.40 = 3,653,365.20/x
  3. Step 3: Cross multiply
    12,289,426.84x = 18,432,499.40 × 3,653,365.20
  4. Step 4: Simplify right side
    12,289,426.84x = 67,340,651,856,980.88
  5. Step 5: Solve for x
    x = 67,340,651,856,980.88/12,289,426.84
  6. Step 6: Final answer
    x = 5,479,560.01

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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.