Home / 28,678,676.57-43,035,951.44-11,639,349.51

Finding the Fourth Proportional to 28,678,676.57, 43,035,951.44 and 11,639,349.51

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Solution

The fourth proportional to 28,678,676.57, 43,035,951.44 and 11,639,349.51 is: 17,466,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,676.57 : 43,035,951.44 = 11,639,349.51 : x
  2. Step 2: Convert to fraction form
    28,678,676.57/43,035,951.44 = 11,639,349.51/x
  3. Step 3: Cross multiply
    28,678,676.57x = 43,035,951.44 × 11,639,349.51
  4. Step 4: Simplify right side
    28,678,676.57x = 500,910,480,173,261.38
  5. Step 5: Solve for x
    x = 500,910,480,173,261.38/28,678,676.57
  6. Step 6: Final answer
    x = 17,466,303.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.