Home / 13,105,830.48-18,086,134.92-7,304,985.36

Finding the Fourth Proportional to 13,105,830.48, 18,086,134.92 and 7,304,985.36

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Solution

The fourth proportional to 13,105,830.48, 18,086,134.92 and 7,304,985.36 is: 10,080,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,830.48 : 18,086,134.92 = 7,304,985.36 : x
  2. Step 2: Convert to fraction form
    13,105,830.48/18,086,134.92 = 7,304,985.36/x
  3. Step 3: Cross multiply
    13,105,830.48x = 18,086,134.92 × 7,304,985.36
  4. Step 4: Simplify right side
    13,105,830.48x = 132,118,950,809,584.80
  5. Step 5: Solve for x
    x = 132,118,950,809,584.80/13,105,830.48
  6. Step 6: Final answer
    x = 10,080,929.32

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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.