Home / 14,028,008.31-19,372,021.29-13,263,772.05

Finding the Fourth Proportional to 14,028,008.31, 19,372,021.29 and 13,263,772.05

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Solution

The fourth proportional to 14,028,008.31, 19,372,021.29 and 13,263,772.05 is: 18,316,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,008.31 : 19,372,021.29 = 13,263,772.05 : x
  2. Step 2: Convert to fraction form
    14,028,008.31/19,372,021.29 = 13,263,772.05/x
  3. Step 3: Cross multiply
    14,028,008.31x = 19,372,021.29 × 13,263,772.05
  4. Step 4: Simplify right side
    14,028,008.31x = 256,946,074,538,306.94
  5. Step 5: Solve for x
    x = 256,946,074,538,306.94/14,028,008.31
  6. Step 6: Final answer
    x = 18,316,646.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.