Home / 23,139,680.13-31,932,066.42-12,685,338.90

Finding the Fourth Proportional to 23,139,680.13, 31,932,066.42 and 12,685,338.90

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Solution

The fourth proportional to 23,139,680.13, 31,932,066.42 and 12,685,338.90 is: 17,505,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139,680.13 : 31,932,066.42 = 12,685,338.90 : x
  2. Step 2: Convert to fraction form
    23,139,680.13/31,932,066.42 = 12,685,338.90/x
  3. Step 3: Cross multiply
    23,139,680.13x = 31,932,066.42 × 12,685,338.90
  4. Step 4: Simplify right side
    23,139,680.13x = 405,069,084,315,009.75
  5. Step 5: Solve for x
    x = 405,069,084,315,009.75/23,139,680.13
  6. Step 6: Final answer
    x = 17,505,388.24

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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.