Home / 21,304,206.87-31,905,584.63-13,604,000.45

Finding the Fourth Proportional to 21,304,206.87, 31,905,584.63 and 13,604,000.45

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Solution

The fourth proportional to 21,304,206.87, 31,905,584.63 and 13,604,000.45 is: 20,373,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,206.87 : 31,905,584.63 = 13,604,000.45 : x
  2. Step 2: Convert to fraction form
    21,304,206.87/31,905,584.63 = 13,604,000.45/x
  3. Step 3: Cross multiply
    21,304,206.87x = 31,905,584.63 × 13,604,000.45
  4. Step 4: Simplify right side
    21,304,206.87x = 434,043,587,615,518.62
  5. Step 5: Solve for x
    x = 434,043,587,615,518.62/21,304,206.87
  6. Step 6: Final answer
    x = 20,373,609.32

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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.