Home / 12,308,817.39-18,446,722.41-9,579,660.31

Finding the Fourth Proportional to 12,308,817.39, 18,446,722.41 and 9,579,660.31

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Solution

The fourth proportional to 12,308,817.39, 18,446,722.41 and 9,579,660.31 is: 14,356,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,817.39 : 18,446,722.41 = 9,579,660.31 : x
  2. Step 2: Convert to fraction form
    12,308,817.39/18,446,722.41 = 9,579,660.31/x
  3. Step 3: Cross multiply
    12,308,817.39x = 18,446,722.41 × 9,579,660.31
  4. Step 4: Simplify right side
    12,308,817.39x = 176,713,334,579,646.66
  5. Step 5: Solve for x
    x = 176,713,334,579,646.66/12,308,817.39
  6. Step 6: Final answer
    x = 14,356,646.05

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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.