Home / 12,655,817.28-18,983,583.36-3,071,301.12

Finding the Fourth Proportional to 12,655,817.28, 18,983,583.36 and 3,071,301.12

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Solution

The fourth proportional to 12,655,817.28, 18,983,583.36 and 3,071,301.12 is: 4,606,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,817.28 : 18,983,583.36 = 3,071,301.12 : x
  2. Step 2: Convert to fraction form
    12,655,817.28/18,983,583.36 = 3,071,301.12/x
  3. Step 3: Cross multiply
    12,655,817.28x = 18,983,583.36 × 3,071,301.12
  4. Step 4: Simplify right side
    12,655,817.28x = 58,304,300,835,181.37
  5. Step 5: Solve for x
    x = 58,304,300,835,181.37/12,655,817.28
  6. Step 6: Final answer
    x = 4,606,917.08

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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.