Home / 12,389,623.80-18,584,435.70-9,702,238.20

Finding the Fourth Proportional to 12,389,623.80, 18,584,435.70 and 9,702,238.20

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Solution

The fourth proportional to 12,389,623.80, 18,584,435.70 and 9,702,238.20 is: 14,553,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389,623.80 : 18,584,435.70 = 9,702,238.20 : x
  2. Step 2: Convert to fraction form
    12,389,623.80/18,584,435.70 = 9,702,238.20/x
  3. Step 3: Cross multiply
    12,389,623.80x = 18,584,435.70 × 9,702,238.20
  4. Step 4: Simplify right side
    12,389,623.80x = 180,310,621,973,983.72
  5. Step 5: Solve for x
    x = 180,310,621,973,983.72/12,389,623.80
  6. Step 6: Final answer
    x = 14,553,357.30

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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.