Home / 22,503,055.76-31,054,366.44-12,189,779.28

Finding the Fourth Proportional to 22,503,055.76, 31,054,366.44 and 12,189,779.28

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Solution

The fourth proportional to 22,503,055.76, 31,054,366.44 and 12,189,779.28 is: 16,821,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503,055.76 : 31,054,366.44 = 12,189,779.28 : x
  2. Step 2: Convert to fraction form
    22,503,055.76/31,054,366.44 = 12,189,779.28/x
  3. Step 3: Cross multiply
    22,503,055.76x = 31,054,366.44 × 12,189,779.28
  4. Step 4: Simplify right side
    22,503,055.76x = 378,545,872,583,839.38
  5. Step 5: Solve for x
    x = 378,545,872,583,839.38/22,503,055.76
  6. Step 6: Final answer
    x = 16,821,976.38

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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.