Home / 22,502,507.79-31,053,609.84-12,189,230.88

Finding the Fourth Proportional to 22,502,507.79, 31,053,609.84 and 12,189,230.88

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Solution

The fourth proportional to 22,502,507.79, 31,053,609.84 and 12,189,230.88 is: 16,821,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,507.79 : 31,053,609.84 = 12,189,230.88 : x
  2. Step 2: Convert to fraction form
    22,502,507.79/31,053,609.84 = 12,189,230.88/x
  3. Step 3: Cross multiply
    22,502,507.79x = 31,053,609.84 × 12,189,230.88
  4. Step 4: Simplify right side
    22,502,507.79x = 378,519,619,997,199.88
  5. Step 5: Solve for x
    x = 378,519,619,997,199.88/22,502,507.79
  6. Step 6: Final answer
    x = 16,821,219.37

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1.5x scale

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.