Home / 40,368,026.83-55,780,747.39-28,745,412.16

Finding the Fourth Proportional to 40,368,026.83, 55,780,747.39 and 28,745,412.16

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Solution

The fourth proportional to 40,368,026.83, 55,780,747.39 and 28,745,412.16 is: 39,720,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368,026.83 : 55,780,747.39 = 28,745,412.16 : x
  2. Step 2: Convert to fraction form
    40,368,026.83/55,780,747.39 = 28,745,412.16/x
  3. Step 3: Cross multiply
    40,368,026.83x = 55,780,747.39 × 28,745,412.16
  4. Step 4: Simplify right side
    40,368,026.83x = 1,603,440,574,318,394.25
  5. Step 5: Solve for x
    x = 1,603,440,574,318,394.25/40,368,026.83
  6. Step 6: Final answer
    x = 39,720,558.58

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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.