Home / 9,991,749.08-13,789,414.77-7,943,666.82

Finding the Fourth Proportional to 9,991,749.08, 13,789,414.77 and 7,943,666.82

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Solution

The fourth proportional to 9,991,749.08, 13,789,414.77 and 7,943,666.82 is: 10,962,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,749.08 : 13,789,414.77 = 7,943,666.82 : x
  2. Step 2: Convert to fraction form
    9,991,749.08/13,789,414.77 = 7,943,666.82/x
  3. Step 3: Cross multiply
    9,991,749.08x = 13,789,414.77 × 7,943,666.82
  4. Step 4: Simplify right side
    9,991,749.08x = 109,538,516,538,851
  5. Step 5: Solve for x
    x = 109,538,516,538,851/9,991,749.08
  6. Step 6: Final answer
    x = 10,962,897.05

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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.