Home / 13,612,995.10-20,419,492.65-9,786,619.90

Finding the Fourth Proportional to 13,612,995.10, 20,419,492.65 and 9,786,619.90

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Solution

The fourth proportional to 13,612,995.10, 20,419,492.65 and 9,786,619.90 is: 14,679,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,995.10 : 20,419,492.65 = 9,786,619.90 : x
  2. Step 2: Convert to fraction form
    13,612,995.10/20,419,492.65 = 9,786,619.90/x
  3. Step 3: Cross multiply
    13,612,995.10x = 20,419,492.65 × 9,786,619.90
  4. Step 4: Simplify right side
    13,612,995.10x = 199,837,813,116,393.72
  5. Step 5: Solve for x
    x = 199,837,813,116,393.72/13,612,995.10
  6. Step 6: Final answer
    x = 14,679,929.85

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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.