Home / 7,137,021.32-9,849,099.39-3,873,836.72

Finding the Fourth Proportional to 7,137,021.32, 9,849,099.39 and 3,873,836.72

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Solution

The fourth proportional to 7,137,021.32, 9,849,099.39 and 3,873,836.72 is: 5,345,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,021.32 : 9,849,099.39 = 3,873,836.72 : x
  2. Step 2: Convert to fraction form
    7,137,021.32/9,849,099.39 = 3,873,836.72/x
  3. Step 3: Cross multiply
    7,137,021.32x = 9,849,099.39 × 3,873,836.72
  4. Step 4: Simplify right side
    7,137,021.32x = 38,153,802,886,007.46
  5. Step 5: Solve for x
    x = 38,153,802,886,007.46/7,137,021.32
  6. Step 6: Final answer
    x = 5,345,900.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.