Home / 18,144,538.20-27,216,807.30-4,681,366.20

Finding the Fourth Proportional to 18,144,538.20, 27,216,807.30 and 4,681,366.20

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Solution

The fourth proportional to 18,144,538.20, 27,216,807.30 and 4,681,366.20 is: 7,022,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,538.20 : 27,216,807.30 = 4,681,366.20 : x
  2. Step 2: Convert to fraction form
    18,144,538.20/27,216,807.30 = 4,681,366.20/x
  3. Step 3: Cross multiply
    18,144,538.20x = 27,216,807.30 × 4,681,366.20
  4. Step 4: Simplify right side
    18,144,538.20x = 127,411,841,766,133.27
  5. Step 5: Solve for x
    x = 127,411,841,766,133.27/18,144,538.20
  6. Step 6: Final answer
    x = 7,022,049.30

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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.