Home / 15,357,078.06-21,192,637.80-8,481,412.50

Finding the Fourth Proportional to 15,357,078.06, 21,192,637.80 and 8,481,412.50

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Solution

The fourth proportional to 15,357,078.06, 21,192,637.80 and 8,481,412.50 is: 11,704,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357,078.06 : 21,192,637.80 = 8,481,412.50 : x
  2. Step 2: Convert to fraction form
    15,357,078.06/21,192,637.80 = 8,481,412.50/x
  3. Step 3: Cross multiply
    15,357,078.06x = 21,192,637.80 × 8,481,412.50
  4. Step 4: Simplify right side
    15,357,078.06x = 179,743,503,144,892.50
  5. Step 5: Solve for x
    x = 179,743,503,144,892.50/15,357,078.06
  6. Step 6: Final answer
    x = 11,704,277.50

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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.