Home / 12,308,840.80-18,446,757.55-9,579,683.75

Finding the Fourth Proportional to 12,308,840.80, 18,446,757.55 and 9,579,683.75

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Solution

The fourth proportional to 12,308,840.80, 18,446,757.55 and 9,579,683.75 is: 14,356,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,840.80 : 18,446,757.55 = 9,579,683.75 : x
  2. Step 2: Convert to fraction form
    12,308,840.80/18,446,757.55 = 9,579,683.75/x
  3. Step 3: Cross multiply
    12,308,840.80x = 18,446,757.55 × 9,579,683.75
  4. Step 4: Simplify right side
    12,308,840.80x = 176,714,103,529,504.81
  5. Step 5: Solve for x
    x = 176,714,103,529,504.81/12,308,840.80
  6. Step 6: Final answer
    x = 14,356,681.22

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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.