Home / 30,553,238.27-42,162,628.07-16,802,202.40

Finding the Fourth Proportional to 30,553,238.27, 42,162,628.07 and 16,802,202.40

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Solution

The fourth proportional to 30,553,238.27, 42,162,628.07 and 16,802,202.40 is: 23,186,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,238.27 : 42,162,628.07 = 16,802,202.40 : x
  2. Step 2: Convert to fraction form
    30,553,238.27/42,162,628.07 = 16,802,202.40/x
  3. Step 3: Cross multiply
    30,553,238.27x = 42,162,628.07 × 16,802,202.40
  4. Step 4: Simplify right side
    30,553,238.27x = 708,425,010,484,660.25
  5. Step 5: Solve for x
    x = 708,425,010,484,660.25/30,553,238.27
  6. Step 6: Final answer
    x = 23,186,576.96

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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.