Home / 14,282,842.81-19,716,354.25-9,642,910.43

Finding the Fourth Proportional to 14,282,842.81, 19,716,354.25 and 9,642,910.43

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Solution

The fourth proportional to 14,282,842.81, 19,716,354.25 and 9,642,910.43 is: 13,311,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282,842.81 : 19,716,354.25 = 9,642,910.43 : x
  2. Step 2: Convert to fraction form
    14,282,842.81/19,716,354.25 = 9,642,910.43/x
  3. Step 3: Cross multiply
    14,282,842.81x = 19,716,354.25 × 9,642,910.43
  4. Step 4: Simplify right side
    14,282,842.81x = 190,123,037,892,103.53
  5. Step 5: Solve for x
    x = 190,123,037,892,103.53/14,282,842.81
  6. Step 6: Final answer
    x = 13,311,288.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.