Home / 15,802,189.76-21,808,791.64-8,927,114.69

Finding the Fourth Proportional to 15,802,189.76, 21,808,791.64 and 8,927,114.69

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Solution

The fourth proportional to 15,802,189.76, 21,808,791.64 and 8,927,114.69 is: 12,320,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,189.76 : 21,808,791.64 = 8,927,114.69 : x
  2. Step 2: Convert to fraction form
    15,802,189.76/21,808,791.64 = 8,927,114.69/x
  3. Step 3: Cross multiply
    15,802,189.76x = 21,808,791.64 × 8,927,114.69
  4. Step 4: Simplify right side
    15,802,189.76x = 194,689,584,286,274.06
  5. Step 5: Solve for x
    x = 194,689,584,286,274.06/15,802,189.76
  6. Step 6: Final answer
    x = 12,320,418.07

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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.