Home / 12,487,405.10-18,731,107.65-8,008,429.10

Finding the Fourth Proportional to 12,487,405.10, 18,731,107.65 and 8,008,429.10

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Solution

The fourth proportional to 12,487,405.10, 18,731,107.65 and 8,008,429.10 is: 12,012,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,405.10 : 18,731,107.65 = 8,008,429.10 : x
  2. Step 2: Convert to fraction form
    12,487,405.10/18,731,107.65 = 8,008,429.10/x
  3. Step 3: Cross multiply
    12,487,405.10x = 18,731,107.65 × 8,008,429.10
  4. Step 4: Simplify right side
    12,487,405.10x = 150,006,747,579,492.59
  5. Step 5: Solve for x
    x = 150,006,747,579,492.59/12,487,405.10
  6. Step 6: Final answer
    x = 12,012,643.65

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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.