Home / 31,658,939.84-47,496,597.26-18,539,437.46

Finding the Fourth Proportional to 31,658,939.84, 47,496,597.26 and 18,539,437.46

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Solution

The fourth proportional to 31,658,939.84, 47,496,597.26 and 18,539,437.46 is: 27,813,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658,939.84 : 47,496,597.26 = 18,539,437.46 : x
  2. Step 2: Convert to fraction form
    31,658,939.84/47,496,597.26 = 18,539,437.46/x
  3. Step 3: Cross multiply
    31,658,939.84x = 47,496,597.26 × 18,539,437.46
  4. Step 4: Simplify right side
    31,658,939.84x = 880,560,194,464,577.38
  5. Step 5: Solve for x
    x = 880,560,194,464,577.38/31,658,939.84
  6. Step 6: Final answer
    x = 27,813,950.78

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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.