Home / 18,817,406-28,227,617.84-7,151,366.28

Finding the Fourth Proportional to 18,817,406, 28,227,617.84 and 7,151,366.28

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Solution

The fourth proportional to 18,817,406, 28,227,617.84 and 7,151,366.28 is: 10,727,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817,406 : 28,227,617.84 = 7,151,366.28 : x
  2. Step 2: Convert to fraction form
    18,817,406/28,227,617.84 = 7,151,366.28/x
  3. Step 3: Cross multiply
    18,817,406x = 28,227,617.84 × 7,151,366.28
  4. Step 4: Simplify right side
    18,817,406x = 201,866,034,385,702.44
  5. Step 5: Solve for x
    x = 201,866,034,385,702.44/18,817,406
  6. Step 6: Final answer
    x = 10,727,622.84

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1.5x scale

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.