Home / 23,109,228.18-31,890,345.15-12,795,729.84

Finding the Fourth Proportional to 23,109,228.18, 31,890,345.15 and 12,795,729.84

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Solution

The fourth proportional to 23,109,228.18, 31,890,345.15 and 12,795,729.84 is: 17,657,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109,228.18 : 31,890,345.15 = 12,795,729.84 : x
  2. Step 2: Convert to fraction form
    23,109,228.18/31,890,345.15 = 12,795,729.84/x
  3. Step 3: Cross multiply
    23,109,228.18x = 31,890,345.15 × 12,795,729.84
  4. Step 4: Simplify right side
    23,109,228.18x = 408,060,241,043,754.25
  5. Step 5: Solve for x
    x = 408,060,241,043,754.25/23,109,228.18
  6. Step 6: Final answer
    x = 17,657,891.38

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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.