Home / 21,304,214.24-31,905,595.70-13,604,007.84

Finding the Fourth Proportional to 21,304,214.24, 31,905,595.70 and 13,604,007.84

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Solution

The fourth proportional to 21,304,214.24, 31,905,595.70 and 13,604,007.84 is: 20,373,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,214.24 : 31,905,595.70 = 13,604,007.84 : x
  2. Step 2: Convert to fraction form
    21,304,214.24/31,905,595.70 = 13,604,007.84/x
  3. Step 3: Cross multiply
    21,304,214.24x = 31,905,595.70 × 13,604,007.84
  4. Step 4: Simplify right side
    21,304,214.24x = 434,043,974,042,670.25
  5. Step 5: Solve for x
    x = 434,043,974,042,670.25/21,304,214.24
  6. Step 6: Final answer
    x = 20,373,620.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.