Home / 14,039,927.40-21,059,891.10-7,972,314.60

Finding the Fourth Proportional to 14,039,927.40, 21,059,891.10 and 7,972,314.60

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Solution

The fourth proportional to 14,039,927.40, 21,059,891.10 and 7,972,314.60 is: 11,958,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,927.40 : 21,059,891.10 = 7,972,314.60 : x
  2. Step 2: Convert to fraction form
    14,039,927.40/21,059,891.10 = 7,972,314.60/x
  3. Step 3: Cross multiply
    14,039,927.40x = 21,059,891.10 × 7,972,314.60
  4. Step 4: Simplify right side
    14,039,927.40x = 167,896,077,290,940.06
  5. Step 5: Solve for x
    x = 167,896,077,290,940.06/14,039,927.40
  6. Step 6: Final answer
    x = 11,958,471.90

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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.