Home / 13,693,426.44-18,896,929.79-7,581,854.94

Finding the Fourth Proportional to 13,693,426.44, 18,896,929.79 and 7,581,854.94

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Solution

The fourth proportional to 13,693,426.44, 18,896,929.79 and 7,581,854.94 is: 10,462,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,426.44 : 18,896,929.79 = 7,581,854.94 : x
  2. Step 2: Convert to fraction form
    13,693,426.44/18,896,929.79 = 7,581,854.94/x
  3. Step 3: Cross multiply
    13,693,426.44x = 18,896,929.79 × 7,581,854.94
  4. Step 4: Simplify right side
    13,693,426.44x = 143,273,780,479,144.66
  5. Step 5: Solve for x
    x = 143,273,780,479,144.66/13,693,426.44
  6. Step 6: Final answer
    x = 10,462,960.54

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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.