Home / 28,267,784.76-42,408,493.79-9,821,044.89

Finding the Fourth Proportional to 28,267,784.76, 42,408,493.79 and 9,821,044.89

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Solution

The fourth proportional to 28,267,784.76, 42,408,493.79 and 9,821,044.89 is: 14,733,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,784.76 : 42,408,493.79 = 9,821,044.89 : x
  2. Step 2: Convert to fraction form
    28,267,784.76/42,408,493.79 = 9,821,044.89/x
  3. Step 3: Cross multiply
    28,267,784.76x = 42,408,493.79 × 9,821,044.89
  4. Step 4: Simplify right side
    28,267,784.76x = 416,495,721,179,771
  5. Step 5: Solve for x
    x = 416,495,721,179,771/28,267,784.76
  6. Step 6: Final answer
    x = 14,733,935.63

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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.