Home / 21,538,561.14-32,308,122.96-7,161,628.95

Finding the Fourth Proportional to 21,538,561.14, 32,308,122.96 and 7,161,628.95

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Solution

The fourth proportional to 21,538,561.14, 32,308,122.96 and 7,161,628.95 is: 10,742,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,561.14 : 32,308,122.96 = 7,161,628.95 : x
  2. Step 2: Convert to fraction form
    21,538,561.14/32,308,122.96 = 7,161,628.95/x
  3. Step 3: Cross multiply
    21,538,561.14x = 32,308,122.96 × 7,161,628.95
  4. Step 4: Simplify right side
    21,538,561.14x = 231,378,788,710,495.72
  5. Step 5: Solve for x
    x = 231,378,788,710,495.72/21,538,561.14
  6. Step 6: Final answer
    x = 10,742,536.94

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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.