Home / 30,472,804.36-45,708,320.81-8,907,912.73

Finding the Fourth Proportional to 30,472,804.36, 45,708,320.81 and 8,907,912.73

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Solution

The fourth proportional to 30,472,804.36, 45,708,320.81 and 8,907,912.73 is: 13,361,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472,804.36 : 45,708,320.81 = 8,907,912.73 : x
  2. Step 2: Convert to fraction form
    30,472,804.36/45,708,320.81 = 8,907,912.73/x
  3. Step 3: Cross multiply
    30,472,804.36x = 45,708,320.81 × 8,907,912.73
  4. Step 4: Simplify right side
    30,472,804.36x = 407,165,732,839,621.06
  5. Step 5: Solve for x
    x = 407,165,732,839,621.06/30,472,804.36
  6. Step 6: Final answer
    x = 13,361,610.18

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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.