Home / 7,688,477.37-11,538,393.63-3,644,979.39

Finding the Fourth Proportional to 7,688,477.37, 11,538,393.63 and 3,644,979.39

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Solution

The fourth proportional to 7,688,477.37, 11,538,393.63 and 3,644,979.39 is: 5,470,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,477.37 : 11,538,393.63 = 3,644,979.39 : x
  2. Step 2: Convert to fraction form
    7,688,477.37/11,538,393.63 = 3,644,979.39/x
  3. Step 3: Cross multiply
    7,688,477.37x = 11,538,393.63 × 3,644,979.39
  4. Step 4: Simplify right side
    7,688,477.37x = 42,057,206,975,057.29
  5. Step 5: Solve for x
    x = 42,057,206,975,057.29/7,688,477.37
  6. Step 6: Final answer
    x = 5,470,160.73

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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.