Home / 22,485,810.45-31,030,517.52-12,172,533.51

Finding the Fourth Proportional to 22,485,810.45, 31,030,517.52 and 12,172,533.51

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Solution

The fourth proportional to 22,485,810.45, 31,030,517.52 and 12,172,533.51 is: 16,798,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485,810.45 : 31,030,517.52 = 12,172,533.51 : x
  2. Step 2: Convert to fraction form
    22,485,810.45/31,030,517.52 = 12,172,533.51/x
  3. Step 3: Cross multiply
    22,485,810.45x = 31,030,517.52 × 12,172,533.51
  4. Step 4: Simplify right side
    22,485,810.45x = 377,720,014,344,842.06
  5. Step 5: Solve for x
    x = 377,720,014,344,842.06/22,485,810.45
  6. Step 6: Final answer
    x = 16,798,149.89

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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.