Home / 40,096,643.46-55,333,421.79-21,761,928.96

Finding the Fourth Proportional to 40,096,643.46, 55,333,421.79 and 21,761,928.96

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Solution

The fourth proportional to 40,096,643.46, 55,333,421.79 and 21,761,928.96 is: 30,031,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,643.46 : 55,333,421.79 = 21,761,928.96 : x
  2. Step 2: Convert to fraction form
    40,096,643.46/55,333,421.79 = 21,761,928.96/x
  3. Step 3: Cross multiply
    40,096,643.46x = 55,333,421.79 × 21,761,928.96
  4. Step 4: Simplify right side
    40,096,643.46x = 1,204,161,994,107,696
  5. Step 5: Solve for x
    x = 1,204,161,994,107,696/40,096,643.46
  6. Step 6: Final answer
    x = 30,031,491.17

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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.