Home / 31,349,742.93-43,263,180.06-17,221,525.08

Finding the Fourth Proportional to 31,349,742.93, 43,263,180.06 and 17,221,525.08

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Solution

The fourth proportional to 31,349,742.93, 43,263,180.06 and 17,221,525.08 is: 23,765,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349,742.93 : 43,263,180.06 = 17,221,525.08 : x
  2. Step 2: Convert to fraction form
    31,349,742.93/43,263,180.06 = 17,221,525.08/x
  3. Step 3: Cross multiply
    31,349,742.93x = 43,263,180.06 × 17,221,525.08
  4. Step 4: Simplify right side
    31,349,742.93x = 745,057,940,443,845.88
  5. Step 5: Solve for x
    x = 745,057,940,443,845.88/31,349,742.93
  6. Step 6: Final answer
    x = 23,765,998.40

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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.