Home / 28,078,755.51-38,748,939.12-16,476,512.34

Finding the Fourth Proportional to 28,078,755.51, 38,748,939.12 and 16,476,512.34

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Solution

The fourth proportional to 28,078,755.51, 38,748,939.12 and 16,476,512.34 is: 22,737,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,755.51 : 38,748,939.12 = 16,476,512.34 : x
  2. Step 2: Convert to fraction form
    28,078,755.51/38,748,939.12 = 16,476,512.34/x
  3. Step 3: Cross multiply
    28,078,755.51x = 38,748,939.12 × 16,476,512.34
  4. Step 4: Simplify right side
    28,078,755.51x = 638,447,373,572,588.75
  5. Step 5: Solve for x
    x = 638,447,373,572,588.75/28,078,755.51
  6. Step 6: Final answer
    x = 22,737,737.55

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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.