Home / 31,768,591.78-43,838,813.46-17,828,644.84

Finding the Fourth Proportional to 31,768,591.78, 43,838,813.46 and 17,828,644.84

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Solution

The fourth proportional to 31,768,591.78, 43,838,813.46 and 17,828,644.84 is: 24,602,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768,591.78 : 43,838,813.46 = 17,828,644.84 : x
  2. Step 2: Convert to fraction form
    31,768,591.78/43,838,813.46 = 17,828,644.84/x
  3. Step 3: Cross multiply
    31,768,591.78x = 43,838,813.46 × 17,828,644.84
  4. Step 4: Simplify right side
    31,768,591.78x = 781,586,635,385,351.50
  5. Step 5: Solve for x
    x = 781,586,635,385,351.50/31,768,591.78
  6. Step 6: Final answer
    x = 24,602,495.47

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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.