Home / 12,531,155.46-18,796,747.86-3,433,330.32

Finding the Fourth Proportional to 12,531,155.46, 18,796,747.86 and 3,433,330.32

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Solution

The fourth proportional to 12,531,155.46, 18,796,747.86 and 3,433,330.32 is: 5,149,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,155.46 : 18,796,747.86 = 3,433,330.32 : x
  2. Step 2: Convert to fraction form
    12,531,155.46/18,796,747.86 = 3,433,330.32/x
  3. Step 3: Cross multiply
    12,531,155.46x = 18,796,747.86 × 3,433,330.32
  4. Step 4: Simplify right side
    12,531,155.46x = 64,535,444,345,133.11
  5. Step 5: Solve for x
    x = 64,535,444,345,133.11/12,531,155.46
  6. Step 6: Final answer
    x = 5,149,999.50

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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.