Home / 14,499,918.40-21,731,215.20-8,814,107.20

Finding the Fourth Proportional to 14,499,918.40, 21,731,215.20 and 8,814,107.20

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Solution

The fourth proportional to 14,499,918.40, 21,731,215.20 and 8,814,107.20 is: 13,209,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499,918.40 : 21,731,215.20 = 8,814,107.20 : x
  2. Step 2: Convert to fraction form
    14,499,918.40/21,731,215.20 = 8,814,107.20/x
  3. Step 3: Cross multiply
    14,499,918.40x = 21,731,215.20 × 8,814,107.20
  4. Step 4: Simplify right side
    14,499,918.40x = 191,541,260,359,069.41
  5. Step 5: Solve for x
    x = 191,541,260,359,069.41/14,499,918.40
  6. Step 6: Final answer
    x = 13,209,816.43

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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.