Home / 18,287,637.88-27,437,554.77-12,163,761.89

Finding the Fourth Proportional to 18,287,637.88, 27,437,554.77 and 12,163,761.89

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Solution

The fourth proportional to 18,287,637.88, 27,437,554.77 and 12,163,761.89 is: 18,249,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,637.88 : 27,437,554.77 = 12,163,761.89 : x
  2. Step 2: Convert to fraction form
    18,287,637.88/27,437,554.77 = 12,163,761.89/x
  3. Step 3: Cross multiply
    18,287,637.88x = 27,437,554.77 × 12,163,761.89
  4. Step 4: Simplify right side
    18,287,637.88x = 333,743,883,066,113.75
  5. Step 5: Solve for x
    x = 333,743,883,066,113.75/18,287,637.88
  6. Step 6: Final answer
    x = 18,249,698.80

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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.