Home / 30,914,856.12-42,660,835.58-17,162,935.32

Finding the Fourth Proportional to 30,914,856.12, 42,660,835.58 and 17,162,935.32

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Solution

The fourth proportional to 30,914,856.12, 42,660,835.58 and 17,162,935.32 is: 23,683,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914,856.12 : 42,660,835.58 = 17,162,935.32 : x
  2. Step 2: Convert to fraction form
    30,914,856.12/42,660,835.58 = 17,162,935.32/x
  3. Step 3: Cross multiply
    30,914,856.12x = 42,660,835.58 × 17,162,935.32
  4. Step 4: Simplify right side
    30,914,856.12x = 732,185,161,756,694.62
  5. Step 5: Solve for x
    x = 732,185,161,756,694.62/30,914,856.12
  6. Step 6: Final answer
    x = 23,683,925.91

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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.