Home / 21,538,674.77-32,308,292.54-7,161,742.58

Finding the Fourth Proportional to 21,538,674.77, 32,308,292.54 and 7,161,742.58

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Solution

The fourth proportional to 21,538,674.77, 32,308,292.54 and 7,161,742.58 is: 10,742,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,674.77 : 32,308,292.54 = 7,161,742.58 : x
  2. Step 2: Convert to fraction form
    21,538,674.77/32,308,292.54 = 7,161,742.58/x
  3. Step 3: Cross multiply
    21,538,674.77x = 32,308,292.54 × 7,161,742.58
  4. Step 4: Simplify right side
    21,538,674.77x = 231,383,674,227,177.25
  5. Step 5: Solve for x
    x = 231,383,674,227,177.25/21,538,674.77
  6. Step 6: Final answer
    x = 10,742,707.10

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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.