Home / 14,039,928.40-21,059,892.60-7,972,315.60

Finding the Fourth Proportional to 14,039,928.40, 21,059,892.60 and 7,972,315.60

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Solution

The fourth proportional to 14,039,928.40, 21,059,892.60 and 7,972,315.60 is: 11,958,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,928.40 : 21,059,892.60 = 7,972,315.60 : x
  2. Step 2: Convert to fraction form
    14,039,928.40/21,059,892.60 = 7,972,315.60/x
  3. Step 3: Cross multiply
    14,039,928.40x = 21,059,892.60 × 7,972,315.60
  4. Step 4: Simplify right side
    14,039,928.40x = 167,896,110,309,304.56
  5. Step 5: Solve for x
    x = 167,896,110,309,304.56/14,039,928.40
  6. Step 6: Final answer
    x = 11,958,473.40

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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.