Home / 13,930,849.89-19,225,053.81-7,736,000.31

Finding the Fourth Proportional to 13,930,849.89, 19,225,053.81 and 7,736,000.31

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Solution

The fourth proportional to 13,930,849.89, 19,225,053.81 and 7,736,000.31 is: 10,675,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,849.89 : 19,225,053.81 = 7,736,000.31 : x
  2. Step 2: Convert to fraction form
    13,930,849.89/19,225,053.81 = 7,736,000.31/x
  3. Step 3: Cross multiply
    13,930,849.89x = 19,225,053.81 × 7,736,000.31
  4. Step 4: Simplify right side
    13,930,849.89x = 148,725,022,233,926.66
  5. Step 5: Solve for x
    x = 148,725,022,233,926.66/13,930,849.89
  6. Step 6: Final answer
    x = 10,675,947.51

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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.