Home / 13,105,815.48-18,086,114.22-7,304,970.36

Finding the Fourth Proportional to 13,105,815.48, 18,086,114.22 and 7,304,970.36

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Solution

The fourth proportional to 13,105,815.48, 18,086,114.22 and 7,304,970.36 is: 10,080,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,815.48 : 18,086,114.22 = 7,304,970.36 : x
  2. Step 2: Convert to fraction form
    13,105,815.48/18,086,114.22 = 7,304,970.36/x
  3. Step 3: Cross multiply
    13,105,815.48x = 18,086,114.22 × 7,304,970.36
  4. Step 4: Simplify right side
    13,105,815.48x = 132,118,528,304,674.52
  5. Step 5: Solve for x
    x = 132,118,528,304,674.52/13,105,815.48
  6. Step 6: Final answer
    x = 10,080,908.62

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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.