Home / 14,446,826.69-19,936,091.79-7,920,313.04

Finding the Fourth Proportional to 14,446,826.69, 19,936,091.79 and 7,920,313.04

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Solution

The fourth proportional to 14,446,826.69, 19,936,091.79 and 7,920,313.04 is: 10,929,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,826.69 : 19,936,091.79 = 7,920,313.04 : x
  2. Step 2: Convert to fraction form
    14,446,826.69/19,936,091.79 = 7,920,313.04/x
  3. Step 3: Cross multiply
    14,446,826.69x = 19,936,091.79 × 7,920,313.04
  4. Step 4: Simplify right side
    14,446,826.69x = 157,900,087,820,814.19
  5. Step 5: Solve for x
    x = 157,900,087,820,814.19/14,446,826.69
  6. Step 6: Final answer
    x = 10,929,741.96

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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.