Home / 19,662,798.76-27,137,858.54-11,830,227.74

Finding the Fourth Proportional to 19,662,798.76, 27,137,858.54 and 11,830,227.74

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Solution

The fourth proportional to 19,662,798.76, 27,137,858.54 and 11,830,227.74 is: 16,327,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662,798.76 : 27,137,858.54 = 11,830,227.74 : x
  2. Step 2: Convert to fraction form
    19,662,798.76/27,137,858.54 = 11,830,227.74/x
  3. Step 3: Cross multiply
    19,662,798.76x = 27,137,858.54 × 11,830,227.74
  4. Step 4: Simplify right side
    19,662,798.76x = 321,047,046,904,103.88
  5. Step 5: Solve for x
    x = 321,047,046,904,103.88/19,662,798.76
  6. Step 6: Final answer
    x = 16,327,637.32

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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.