Home / 12,308,013.47-18,462,257.73-3,788,341.13

Finding the Fourth Proportional to 12,308,013.47, 18,462,257.73 and 3,788,341.13

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Solution

The fourth proportional to 12,308,013.47, 18,462,257.73 and 3,788,341.13 is: 5,682,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,013.47 : 18,462,257.73 = 3,788,341.13 : x
  2. Step 2: Convert to fraction form
    12,308,013.47/18,462,257.73 = 3,788,341.13/x
  3. Step 3: Cross multiply
    12,308,013.47x = 18,462,257.73 × 3,788,341.13
  4. Step 4: Simplify right side
    12,308,013.47x = 69,941,330,218,908.15
  5. Step 5: Solve for x
    x = 69,941,330,218,908.15/12,308,013.47
  6. Step 6: Final answer
    x = 5,682,584.80

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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.