Home / 21,012,296.14-31,528,020.84-10,784,338.48

Finding the Fourth Proportional to 21,012,296.14, 31,528,020.84 and 10,784,338.48

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Solution

The fourth proportional to 21,012,296.14, 31,528,020.84 and 10,784,338.48 is: 16,181,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,296.14 : 31,528,020.84 = 10,784,338.48 : x
  2. Step 2: Convert to fraction form
    21,012,296.14/31,528,020.84 = 10,784,338.48/x
  3. Step 3: Cross multiply
    21,012,296.14x = 31,528,020.84 × 10,784,338.48
  4. Step 4: Simplify right side
    21,012,296.14x = 340,008,848,343,053.94
  5. Step 5: Solve for x
    x = 340,008,848,343,053.94/21,012,296.14
  6. Step 6: Final answer
    x = 16,181,422.82

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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.