Home / 52,018,791.84-71,785,938.96-28,815,421.68

Finding the Fourth Proportional to 52,018,791.84, 71,785,938.96 and 28,815,421.68

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Solution

The fourth proportional to 52,018,791.84, 71,785,938.96 and 28,815,421.68 is: 39,765,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018,791.84 : 71,785,938.96 = 28,815,421.68 : x
  2. Step 2: Convert to fraction form
    52,018,791.84/71,785,938.96 = 28,815,421.68/x
  3. Step 3: Cross multiply
    52,018,791.84x = 71,785,938.96 × 28,815,421.68
  4. Step 4: Simplify right side
    52,018,791.84x = 2,068,542,101,827,140.50
  5. Step 5: Solve for x
    x = 2,068,542,101,827,140.50/52,018,791.84
  6. Step 6: Final answer
    x = 39,765,285.36

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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.