Home / 19,642,399.81-27,097,123.35-15,261,503.47

Finding the Fourth Proportional to 19,642,399.81, 27,097,123.35 and 15,261,503.47

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Solution

The fourth proportional to 19,642,399.81, 27,097,123.35 and 15,261,503.47 is: 21,053,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642,399.81 : 27,097,123.35 = 15,261,503.47 : x
  2. Step 2: Convert to fraction form
    19,642,399.81/27,097,123.35 = 15,261,503.47/x
  3. Step 3: Cross multiply
    19,642,399.81x = 27,097,123.35 × 15,261,503.47
  4. Step 4: Simplify right side
    19,642,399.81x = 413,542,842,033,043.06
  5. Step 5: Solve for x
    x = 413,542,842,033,043.06/19,642,399.81
  6. Step 6: Final answer
    x = 21,053,580.32

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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.