Home / 14,071,526.40-21,082,406.40-11,931,571.20

Finding the Fourth Proportional to 14,071,526.40, 21,082,406.40 and 11,931,571.20

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Solution

The fourth proportional to 14,071,526.40, 21,082,406.40 and 11,931,571.20 is: 17,876,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071,526.40 : 21,082,406.40 = 11,931,571.20 : x
  2. Step 2: Convert to fraction form
    14,071,526.40/21,082,406.40 = 11,931,571.20/x
  3. Step 3: Cross multiply
    14,071,526.40x = 21,082,406.40 × 11,931,571.20
  4. Step 4: Simplify right side
    14,071,526.40x = 251,546,233,028,935.66
  5. Step 5: Solve for x
    x = 251,546,233,028,935.66/14,071,526.40
  6. Step 6: Final answer
    x = 17,876,257.76

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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.