Home / 18,440,429.10-27,660,643.65-13,961,453.10

Finding the Fourth Proportional to 18,440,429.10, 27,660,643.65 and 13,961,453.10

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Solution

The fourth proportional to 18,440,429.10, 27,660,643.65 and 13,961,453.10 is: 20,942,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,429.10 : 27,660,643.65 = 13,961,453.10 : x
  2. Step 2: Convert to fraction form
    18,440,429.10/27,660,643.65 = 13,961,453.10/x
  3. Step 3: Cross multiply
    18,440,429.10x = 27,660,643.65 × 13,961,453.10
  4. Step 4: Simplify right side
    18,440,429.10x = 386,182,779,035,287.81
  5. Step 5: Solve for x
    x = 386,182,779,035,287.81/18,440,429.10
  6. Step 6: Final answer
    x = 20,942,179.65

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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.