Home / 28,092,918.78-42,139,432.38-10,829,249.34

Finding the Fourth Proportional to 28,092,918.78, 42,139,432.38 and 10,829,249.34

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Solution

The fourth proportional to 28,092,918.78, 42,139,432.38 and 10,829,249.34 is: 16,243,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,918.78 : 42,139,432.38 = 10,829,249.34 : x
  2. Step 2: Convert to fraction form
    28,092,918.78/42,139,432.38 = 10,829,249.34/x
  3. Step 3: Cross multiply
    28,092,918.78x = 42,139,432.38 × 10,829,249.34
  4. Step 4: Simplify right side
    28,092,918.78x = 456,338,420,289,089.62
  5. Step 5: Solve for x
    x = 456,338,420,289,089.62/28,092,918.78
  6. Step 6: Final answer
    x = 16,243,894.91

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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.