Home / 18,979,557.96-28,450,165.44-7,473,098.50

Finding the Fourth Proportional to 18,979,557.96, 28,450,165.44 and 7,473,098.50

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Solution

The fourth proportional to 18,979,557.96, 28,450,165.44 and 7,473,098.50 is: 11,202,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,557.96 : 28,450,165.44 = 7,473,098.50 : x
  2. Step 2: Convert to fraction form
    18,979,557.96/28,450,165.44 = 7,473,098.50/x
  3. Step 3: Cross multiply
    18,979,557.96x = 28,450,165.44 × 7,473,098.50
  4. Step 4: Simplify right side
    18,979,557.96x = 212,610,888,674,415.84
  5. Step 5: Solve for x
    x = 212,610,888,674,415.84/18,979,557.96
  6. Step 6: Final answer
    x = 11,202,099.08

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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.