Home / 22,502,568.23-31,053,693.25-12,189,291.23

Finding the Fourth Proportional to 22,502,568.23, 31,053,693.25 and 12,189,291.23

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Solution

The fourth proportional to 22,502,568.23, 31,053,693.25 and 12,189,291.23 is: 16,821,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502,568.23 : 31,053,693.25 = 12,189,291.23 : x
  2. Step 2: Convert to fraction form
    22,502,568.23/31,053,693.25 = 12,189,291.23/x
  3. Step 3: Cross multiply
    22,502,568.23x = 31,053,693.25 × 12,189,291.23
  4. Step 4: Simplify right side
    22,502,568.23x = 378,522,510,666,539.94
  5. Step 5: Solve for x
    x = 378,522,510,666,539.94/22,502,568.23
  6. Step 6: Final answer
    x = 16,821,302.65

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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.