Home / 31,865,379.37-47,797,996.12-13,657,768.45

Finding the Fourth Proportional to 31,865,379.37, 47,797,996.12 and 13,657,768.45

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Solution

The fourth proportional to 31,865,379.37, 47,797,996.12 and 13,657,768.45 is: 20,486,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865,379.37 : 47,797,996.12 = 13,657,768.45 : x
  2. Step 2: Convert to fraction form
    31,865,379.37/47,797,996.12 = 13,657,768.45/x
  3. Step 3: Cross multiply
    31,865,379.37x = 47,797,996.12 × 13,657,768.45
  4. Step 4: Simplify right side
    31,865,379.37x = 652,813,963,227,319
  5. Step 5: Solve for x
    x = 652,813,963,227,319/31,865,379.37
  6. Step 6: Final answer
    x = 20,486,621.41

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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.