Home / 21,086,826.94-31,631,628.28-5,525,036.57

Finding the Fourth Proportional to 21,086,826.94, 31,631,628.28 and 5,525,036.57

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Solution

The fourth proportional to 21,086,826.94, 31,631,628.28 and 5,525,036.57 is: 8,287,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,826.94 : 31,631,628.28 = 5,525,036.57 : x
  2. Step 2: Convert to fraction form
    21,086,826.94/31,631,628.28 = 5,525,036.57/x
  3. Step 3: Cross multiply
    21,086,826.94x = 31,631,628.28 × 5,525,036.57
  4. Step 4: Simplify right side
    21,086,826.94x = 174,765,903,111,985.47
  5. Step 5: Solve for x
    x = 174,765,903,111,985.47/21,086,826.94
  6. Step 6: Final answer
    x = 8,287,918.50

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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.