Home / 19,059,667.80-28,579,004.10-7,687,267.80

Finding the Fourth Proportional to 19,059,667.80, 28,579,004.10 and 7,687,267.80

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Solution

The fourth proportional to 19,059,667.80, 28,579,004.10 and 7,687,267.80 is: 11,526,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059,667.80 : 28,579,004.10 = 7,687,267.80 : x
  2. Step 2: Convert to fraction form
    19,059,667.80/28,579,004.10 = 7,687,267.80/x
  3. Step 3: Cross multiply
    19,059,667.80x = 28,579,004.10 × 7,687,267.80
  4. Step 4: Simplify right side
    19,059,667.80x = 219,694,457,973,998
  5. Step 5: Solve for x
    x = 219,694,457,973,998/19,059,667.80
  6. Step 6: Final answer
    x = 11,526,667.74

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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.