Home / 18,266,623.64-25,202,009.48-12,455,316.30

Finding the Fourth Proportional to 18,266,623.64, 25,202,009.48 and 12,455,316.30

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Solution

The fourth proportional to 18,266,623.64, 25,202,009.48 and 12,455,316.30 is: 17,184,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,623.64 : 25,202,009.48 = 12,455,316.30 : x
  2. Step 2: Convert to fraction form
    18,266,623.64/25,202,009.48 = 12,455,316.30/x
  3. Step 3: Cross multiply
    18,266,623.64x = 25,202,009.48 × 12,455,316.30
  4. Step 4: Simplify right side
    18,266,623.64x = 313,898,999,406,722
  5. Step 5: Solve for x
    x = 313,898,999,406,722/18,266,623.64
  6. Step 6: Final answer
    x = 17,184,292.27

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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.