Home / 31,590,733.68-47,388,167.16-9,728,431.92

Finding the Fourth Proportional to 31,590,733.68, 47,388,167.16 and 9,728,431.92

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Solution

The fourth proportional to 31,590,733.68, 47,388,167.16 and 9,728,431.92 is: 14,593,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,733.68 : 47,388,167.16 = 9,728,431.92 : x
  2. Step 2: Convert to fraction form
    31,590,733.68/47,388,167.16 = 9,728,431.92/x
  3. Step 3: Cross multiply
    31,590,733.68x = 47,388,167.16 × 9,728,431.92
  4. Step 4: Simplify right side
    31,590,733.68x = 461,012,558,029,639.69
  5. Step 5: Solve for x
    x = 461,012,558,029,639.69/31,590,733.68
  6. Step 6: Final answer
    x = 14,593,284.31

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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.