Home / 28,018,892.55-42,028,338.83-9,843,610.35

Finding the Fourth Proportional to 28,018,892.55, 42,028,338.83 and 9,843,610.35

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Solution

The fourth proportional to 28,018,892.55, 42,028,338.83 and 9,843,610.35 is: 14,765,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,892.55 : 42,028,338.83 = 9,843,610.35 : x
  2. Step 2: Convert to fraction form
    28,018,892.55/42,028,338.83 = 9,843,610.35/x
  3. Step 3: Cross multiply
    28,018,892.55x = 42,028,338.83 × 9,843,610.35
  4. Step 4: Simplify right side
    28,018,892.55x = 413,710,591,051,076.88
  5. Step 5: Solve for x
    x = 413,710,591,051,076.88/28,018,892.55
  6. Step 6: Final answer
    x = 14,765,415.53

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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.