Home / 21,812,912.80-32,724,284.40-12,832,842.40

Finding the Fourth Proportional to 21,812,912.80, 32,724,284.40 and 12,832,842.40

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Solution

The fourth proportional to 21,812,912.80, 32,724,284.40 and 12,832,842.40 is: 19,252,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,912.80 : 32,724,284.40 = 12,832,842.40 : x
  2. Step 2: Convert to fraction form
    21,812,912.80/32,724,284.40 = 12,832,842.40/x
  3. Step 3: Cross multiply
    21,812,912.80x = 32,724,284.40 × 12,832,842.40
  4. Step 4: Simplify right side
    21,812,912.80x = 419,945,584,357,978.56
  5. Step 5: Solve for x
    x = 419,945,584,357,978.56/21,812,912.80
  6. Step 6: Final answer
    x = 19,252,155.28

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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.