Home / 38,327,813.94-52,890,382.59-20,920,796.13

Finding the Fourth Proportional to 38,327,813.94, 52,890,382.59 and 20,920,796.13

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Solution

The fourth proportional to 38,327,813.94, 52,890,382.59 and 20,920,796.13 is: 28,869,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327,813.94 : 52,890,382.59 = 20,920,796.13 : x
  2. Step 2: Convert to fraction form
    38,327,813.94/52,890,382.59 = 20,920,796.13/x
  3. Step 3: Cross multiply
    38,327,813.94x = 52,890,382.59 × 20,920,796.13
  4. Step 4: Simplify right side
    38,327,813.94x = 1,106,508,911,403,091.38
  5. Step 5: Solve for x
    x = 1,106,508,911,403,091.38/38,327,813.94
  6. Step 6: Final answer
    x = 28,869,606.63

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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.